Editing Pure Theory of Law

{{Short description|Book by Hans Kelsen}}
{{italic title}}
{{Infobox book
| italic title      = Pure Theory of Law
| name              = Pure Theory of Law
| image             = 
| image_size        = 
| border            = 
| alt               = 
| caption           = 
| author            = [[Hans Kelsen]]
| title_orig        = Reine Rechtslehre
| orig_lang_code    = de
| title_working     = 
| translator        = Max Knight
| country           = Austria
| language          = German
| subject           = 
| genre             = [[Legal philosophy]] 
| set_in            = 
| publisher         = [[University of California Press]]
| publisher2        = [[Franz Deuticke]]
| pub_date          = 1960 
| english_pub_date  = 1967
| media_type        = print
| pages             = 356
| awards            = 
| isbn              = 
| isbn_note         = 
| oclc              = 349106
| dewey             = 
| congress          = 
| native_wikisource = 
| wikisource        = 
| notes             = 
| exclude_cover     = 
| website           = <!--https://www.ucpress.edu/book/9780520307971/pure-theory-of-law-->
}}

'''''Pure Theory of Law''''' is a book by jurist and legal theorist [[Hans Kelsen]], first published in German in 1934 as {{lang|fr|Reine Rechtslehre}}, and in 1960 in a much revised and expanded edition. The latter was translated into English in 1967 as ''Pure Theory of Law''.{{sfn|Marmor|2021|loc=The Pure Theory of Law}} The title is the name of his general theory of law, ''Reine Rechtslehre''.

Kelsen began to formulate his theory as early as 1913, as a "pure" form of "legal science" devoid of any moral or political, or at a general level sociological considerations.  Its main themes include the concept of "norms" as the fundamental building blocks of law and hierarchical relations of empowerment among them, including the idea of a "basic norm" providing an ultimate theoretical basis of empowerment; the ideas of "validity" and "efficacy" of norms; legal "normativity";  absence of any necessary relation between law and morality; complete separation between description and evaluation of law; and ideas relating to legal positivism and international law.{{sfn|Marmor|2021|loc=The Pure Theory of Law}}

The impact of the book has been enduring and widespread, and it is considered one of the seminal works of legal philosophy of the twentieth century.

== Background ==

=== Positivism ===
{{Main|Legal positivism}}

The central question of [[jurisprudence]] is, "[[What is law?|What is the nature of the law?]]" Two major schools of legal theory that address this question are [[natural law theory]] and [[legal positivism]]. The main point of contention between the two is the relation between [[law]] and [[morality]], with the positivists advocating a weak or non-existent connection.{{sfn|Spaak|Mindus|2021|loc=[https://www.worldcat.org/title/1183397807 pub. blurb]}} An early proponent of positivism was [[John Austin (legal philosopher)|John Austin]], who, following [[Jeremy Bentham]], viewed law as commands from a recognized source (i.e., a sovereign) backed up by threat of sanctions where the subjects have a duty to obey. All these concepts (law, sovereign, command, sanction, duty) are specific, socially defined events and, according to Austin, they are sufficient—no appeal to morality is required in order to determine what the law is (though it may play an advisory role).{{citation needed|date=October 2023}}

Positivism traditionally says that the existence of a legal system in a given society depends solely on structures of governance, and laws are whatever rules have been declared ("posited") and accepted, and which are recognized by officials as authoritative (legislation, judicial decisions, etc.) without recourse to any value judgment of merit, such as whether they are just, deserved, or democratic. That said, there are many interpretations of, and countercurrents within positivism, including uncertainty and criticism.{{sfn|Green|2019}}

Austin wished to transform law into a true science, without recourse to any moralistic notions, based on the ideas that law and morality are separate.{{citation needed|date=October 2023}} Austin's views were highly influential in the 19th and early 20th centuries and set the stage for Kelsen.

Kelsen considered the ideas he expounded in the first, 1934 edition of ''Pure Theory of Law'' as "a further development of approaches ... that have been introducing themselves by the positivistic jurisprudence in the nineteenth century".{{sfn|Spaak|Mindus|2021|p=115–117}}

=== Precursors ===

Already in 1913, Kelsen had identified the need for a legal theoretic framework to support the idea of the ''[[Rechtsstaat]]''.{{sfn|Vinx|2007|p=1}}

{{ill|Adolf Julius Merkl|de||pt|v=sup}} was a student of Kelsen's who made important contributions starting in 1918 in the area of hierarchy of norms that would help underpin some of Kelsen's ideas on norms and how they fit into his pure theory of law.{{sfn|Olechowski|2018|p=354}}

== Terminology ==
{{more citations needed|section|date=October 2023}}

Kelsen used some formal terms from the [[philosophy of law]] which had been in use for centuries, and developed others in his own way. Here is a list of some of the most important terms that appear in ''Pure Theory of Law'':

* ''[[basic norm]]'' ({{lang|de|Grundnorm}}) – the fundamental norm in the hierarchy of norms, providing authority for all lower norms
* ought – the [[Is–ought problem|"is" and "ought"]] problem involves terms that go back to Kant,<!--https://academic.oup.com/book/10271/chapter/157986373--> Hume,<!--https://www.jstor.org/stable/2182491--> and others. <!--https://link.springer.com/10.1007/978-94-007-6730-0_226-1 and https://scholarship.law.cornell.edu/cgi/viewcontent.cgi?article=2423&context=facpub--> Kelsen preferred the ''ought'' ({{lang|de|Sollen}}) or an ''ought proposition'' ({{lang|de|Sollsatz}}) to ''norm'' because of the latter's dual sense of both descriptive (e.g., some behavior "is the norm", which Kelsen does not use) and prescriptive social norms.{{sfn|Stewart|1990|p=279}}
* ''positive'' vs. ''normative'' – this parallels the "is—ought" distinction. See [[Normative statement]].

{{wiktionary|positive}}
* [[positive law]] – (from 'posit', that which is ordered, decided, etc.) was first developed by [[Jeremy Bentham]] and redeveloped and popularized by [[John Austin (legal philosopher)|John Austin]], although its roots go back further. For a century, Austin's description of law as the command of a sovereign backed by force was ascendant. By the mid-twentieth century, this began to be challenged by [[analytical philosophers]] where ideas of force yielded to theories about law's systematic and normative nature. The most important modern figures are Kelsen, [[H.L.A. Hart]], and [[Joseph Raz]].{{sfn|Green|2019|loc=Development and Influence}} The school of philosophy based on it is called [[legal positivism]].
* ''pure theory'' – Kelsen described ''pure theory'' as the "only theory of law capable of lifting jurisprudence to the status of a genuine science"{{sfn|Vinx|2007|p=10}}{{sfn|Kelsen|1992|p=1–5}} But Vinx says, "What Kelsen's understanding of what it would mean for jurisprudence to be scientific has proven to be rather elusive."{{sfn|Vinx|2007|p=10}}

== Key themes ==

=== "Is" and "ought" ===

The theme of "is" and "ought" is not original with Kelsen, but it runs through the entire book. In particular, Kelsen uses the idea of "is" and "ought" as a foundation for his introduction of "norm". Kelsen said that to say that "something exists", is very different from saying that "something ought to exist". The first assertion is about the current reality, the second is a [[normative]] order, or simply, a "norm".{{sfn|Olechowski|2018|p=354}}{{sfn|Kelsen|1967|pp=5–6}}

Kelsen wrote, "The word ''ought'' is used here in a broader than the usual sense. According to customary usage, ''ought'' corresponds only to a command, while ''may'' corresponds to a permission, and ''can'' to an authorization. But in the present work the word ''ought'' is used to express the normative meaning of an act directed toward the behavior of others; this ''ought'' includes ''may'' and ''can''."{{sfn|Kelsen|1967|p=5}}

=== Hierarchy of norms ===

The hierarchy of norms, or hierarchy of laws, is an analysis which views laws as occupying a hierarchy in which laws base their validity upon a higher level norm, and so on, forming a hierarchy, such that laws are validated in a regression of validity ending in the Constitution.{{sfn|Steiner|2018|p=PT50}}{{sfn|Bindreiter|2002|p=11}} The hierarchy concept is often referred to in French legal texts, and is often visualized and named "Kelsen's pyramid" (see [[#France|below]]).

=== Basic norm ===

The idea of the basic norm ({{langx|de|Grundnorm}}) is Kelsen's attempt to answer the question of where legal validity ultimately comes from, in a legal system which can be viewed as a set of legal norms which form a hierarchy where higher-level norms authorize the validity of lower-level norms. The top level might be a Constitution in some legal systems, but what authorizes its validity?{{sfn|Marmor|2021|loc=[https://plato.stanford.edu/entries/lawphil-theory/#BasNor 1.&nbsp;The Basic Norm]}}

Kelsen's viewed the central issue of any [[theory of law]] as that of explaining where the notion of "legality" and the [[normativity]] of the law comes from. Why are certain words and actions interpreted as "law" and others are not? In particular, he wanted to do so in a "pure" fashion, that is, without recourse to outside support from jurisprudence, or from "[[legal science]]" ({{langx|de|Rechtswissenschaft}}). Kelsen viewed the law as a scheme of interpretation whose reality existed in meaning itself, as opposed to, say, the acts of a legislature which might draft a bill, debate it, vote on it, tally the "yeses", and declare it "passed" using some verbiage. Describing these actions are not themselves the law, they are the description of the enactment; so where in this is "the law"? Kelsen's answer is that such acts derive their legal-normative character by dint of another, "higher" legal norm, that conveys legality upon it, in the example, authorizing the legislature's procedures for creating a law in this way. This higher legal norm, is only valid in turn, if another, even higher norm conveys legality upon it. The problem is, that at some point, some authorizing norm is the highest one, which in the case of the United States, for example, is the [[Constitution of the United States]], and there isn't a higher norm that authorizes the Constitution.{{sfn|Marmor|2021|loc=[https://plato.stanford.edu/entries/lawphil-theory/#BasNor 1.&nbsp;The Basic Norm]}}

At this point, Kelsen argued that one must "presuppose" the legal validity of the Constitution; other legal systems have the same issue, and whatever the highest legal norm is, its validity ({{lang|de|Rechtsgültigkeit}}) must be presupposed ({{lang|de|vorausgesetzt}} / {{lang|de|vorauszusetzen}}). It is the content of this presupposition itself, that Kelsen calls the "basic norm".{{sfn|Marmor|2021|loc=[https://plato.stanford.edu/entries/lawphil-theory/#BasNor 1.&nbsp;The Basic Norm]}}{{sfn|Kelsen-GT|1961|p=110–111}}

== Evolution ==

The book was published in two editions a quarter century apart, and there was a considerable evolution of Kelsen's views during that period.{{sfn|Marmor|2021|loc=[https://plato.stanford.edu/archives/fall2021/entries/lawphil-theory/#RelRed 2. Relativism and Reduction]}} In addition, there are precursors in his earlier writings, and further development after the second edition, as can be seen especially in his incomplete work ''General Theory of Norms'', published posthumously.{{sfn|Spaak|2022|loc=[https://onlinelibrary.wiley.com/doi/full/10.1111/raju.12343#raju12343-sec-0003-title 3 The Pure Theory of Law: A Periodization]}}

Stanley L. Paulson wrote of this evolution, and proposed a [[periodization]] of Kelsen’s Pure Theory of Law in four phases:{{sfn|Spaak|2022|loc=[https://onlinelibrary.wiley.com/doi/full/10.1111/raju.12343#raju12343-sec-0003-title 3 The Pure Theory of Law: A Periodization]}}
# 1911 to {{c.}} 1920  – [[Moral constructivism|constructivist]]
# c. 1920 to the mid-1930s – a strong [[neo-Kantian]] phase; includes the first edition of {{lang|de|Reine Rechtslehre}}
# late 1930s to 1960  – a weak neo-Kantian phase; second edition of {{lang|de|Reine Rechtslehre}}
# 1960 onward – skeptical, or empiricist, phase; including ''General Theory of Norms''

Paulson quotes Carsten Heidemann's periodization as: "constructivist, transcendental, realist, and analytico-linguistic",{{sfn|Paulson|1998|p=154}} and a debate ensued in the literature about how best to interpret the evolution of Kelsen's thought in this area.{{sfn|Paulson|1999|p=351–364}}

== Impact and influence ==

=== Reception ===

Kelsen has been called the "twentieth century's foremost jurist and legal philosopher", and his book "the single most important intellectual achievement of contemporary jurisprudence". His work has influenced numerous legal philosophers for many decades, and conferences are organized to discuss it, such as the 2010 conference in Oxford marking the 50th anniversary of the appearance of the highly influential second edition of the book.{{sfn|d'Almeida|Gardner|Green|2013|loc=Introduction}}

Among writers in English, the influence of Kelsen's work can be seen in the work of [[John Gardner (legal philosopher)|John Gardner]], [[Leslie Green (philosopher)|Leslie Green]], [[J. W. Harris (legal philosopher)|J. W. Harris]], [[Tony Honoré]], [[Joseph Raz]], and from a critical viewpoint, in that of [[John Finnis]].{{sfn|d'Almeida|Gardner|Green|2013|loc=I. Kelsen in Oxford)}}

=== By country ===

Kelsen's concept of a "hierarchy of norms" has had important influence in the legal systems of different countries.

==== Austria ====

Austrian universities teach the theory of the hierarchical structure of the legal order ({{lang|de|Lehre vom Stufenbau der Rechtsordnung}}), a key theme of the Pure Theory of Law. This includes the topic of the primacy of the Constitution ({{lang|de|Verfassungsvorrang}}; a term however which is barely used in Austria).{{sfn|Olechowski|2018|p=353}} Parts of the hierarchical structure were introduced by Adolf Julius Merkl.{{sfn|Olechowski|2018|p=353}}

==== France ====

In France, the legal system is viewed as structured according to the hierarchical system defined by Kelsen's theory of law, which underlies France's view of itself as an {{lang|fr|État de droit}} (''[[Rechtstaat]]'').{{sfn|Baron|2018|loc=Le respect de la hiérarchie des normes}}

[[File:Pyramide des normes.png|thumb|upright=0.85|Kelsen's pyramid of norms as applied to France, with the [[Constitutional block (France)|Constitutional block]] at the top]]
Since the [[French Constitution of 1958|1958 Constitution]], French legal texts can be any of four types: constitutional, treaty, parliamentary statutes, and at the bottom of the pyramid, governmental regulations and circulars.{{sfn|Steiner|2018|pp=4–5|loc=General Characteristics of Legislation}} They are organized in a legal hierarchy, where norms of a lower level must obey the requirements of norms at a higher level. Each legal norm is created and derived its authority from a norm in the next level up in the hierarchy, and all authorities and lawmaking bodies must conform to these norms. This hierarchy is graphically represented as a pyramid, with the [[Constitutional block (France)]] at the top, followed by treaties and international agreements, which are above parliamentary legislation, and lastly, governmental regulations sitting at the bottom.{{sfn|Steiner|2018|p=5–6}}

French sources reinterpret Kelsen's hierarchy metaphorically and graphically, calling it and depicting it as "Kelsen's pyramid" or "pyramid of norms", from the 1958 Constitution at the apex of the pyramid,{{sfn|Steiner|2018|p=5–6}} and administrative decisions and contractual agreements between individuals at the foot.{{sfn|Baron|2018|loc=Le respect de la hiérarchie des normes}}
This hierarchical organization is one of the most important guarantees of the {{lang|fr|État du droit}} (''[[Rechtstaat]]''). The jurisdiction of different organisms of State are precisely defined within this framework, and the norms they promulgate are valid only insofar as they respect the higher-level norms which define and authorize their powers. Any organ failing to respect a higher-level principle is susceptible to judicial sanctions; this is known as the "principle of legality". The State, which has the power to define the law, is itself subject to this principle.{{sfn|Baron|2018|loc=Le respect de la hiérarchie des normes}}

=== Foundation and research center ===

The Austrian federal government established a foundation bearing the name "Hans Kelsen-Institut" which became operational in 1972. Its task is to document the ''Pure Theory of Law'' and its dissemination in Austria and abroad, and to provide information about it and encourage it continuation and development. It produces a book series that has more than 30 volumes. The institute administers the rights to Kelsen's works and has edited several works from his unpublished papers, including ''General Theory of Norms'' (1979, translated 1991) and ''Secular Religion'' (2012, written in English).{{sfn|Olechowski|2021|p=5–8}}

The Hans Kelsen Research Center was established in 2006 in Germany at the [[University of Erlangen-Nuremberg]], later moved to the [[University of Freiburg]]. The Institute and the Research Center are jointly publishing a historical-critical edition of Kelsen's works which is planned to reach more than 30 volumes; as of August 2023, the first eight volumes have been published by [[Mohr Siebeck]].<ref>{{cite web|url=https://kelsen.online/digitale-baende|title=Digitale Bände|website=Mohr Siebeck|access-date=11 April 2025}}</ref>

== Criticism ==

[[Carl Schmitt#Political Theology|Carl Schmitt]]'s concept of "exception" was part of his authoritarian theories and placed him as a critic of Kelsen's positivist concept of normativism.{{sfn|Scheuerman|2006|p=61–84}}

==See also==
{{div col|colwidth=20em}}
* [[Alfred Verdross]]
* [[Axiom]]
* [[Interpretivism (legal)]]
* [[Is–ought problem]]
* [[Jurisprudence]]
* [[Legal positivism]]
* [[Legal realism]]
* [[Metaethical relativism]]
* [[Moral anti-realism]]
* [[Moral realism]]
* [[Natural law]]
* [[Norm (philosophy)]]
* [[Normative jurisprudence]]
* [[Normative statement]]
* [[Normativity]]
* [[Philosophy of law]]
* [[Positive statement]]
* [[Rule of law]]
{{div col end}}

==References ==
{{reflist}}

==Works cited==

*<!--{{sfn|d'Almeida|Gardner|Green|2013|loc=}}-->{{cite book |chapter=Introduction |last1=d'Almeida |first1=Luís Duarte |last2=Gardner |first2=John |last3=Green |first3=Leslie |date=2013 |editor1-last=d'Almeida  |editor1-first=Luís Duarte |editor2-last=Gardner |editor2-first=John |editor3-last=Green |editor3-first=Leslie |title=Kelsen Revisited: New Essays on the Pure Theory of Law |publisher=Hart Publishing |location=Oxford |isbn=9781849464567 |oclc=832313601 |url=https://books.google.com/books?id=QI3qAwAAQBAJ&pg=PT6}}
*<!--{{sfn|Baron|2018|loc=§&nbsp;Le respect de la hiérarchie des normes}}-->{{cite web |language=fr |last1=Baron |first1=Frank |authorlink= |title=Qu'est-ce que l'État de droit ? |trans-title=What is the État de droit? |date=2018 |website=Vie publique |publisher=[[La Documentation française]] |url=https://www.vie-publique.fr/parole-dexpert/270286-quest-ce-que-letat-de-droit#le-respect-de-la-hi%C3%A9rarchie-des-normes |archive-url= |archive-date= |access-date=10 October 2023 |quote= |trans-quote= }}
* <!--{{sfn|Bindreiter|2002|p=11}}-->{{cite book |last=Bindreiter |first=Uta |date=2002 |title=Why Grundnorm?: A Treatise on the Implications of Kelsen's Doctrine |publisher=Springer Science & Business Media |pages=11– |isbn=978-90-411-1867-7 |oclc=1120367947 |url=https://books.google.com/books?id=u7OzLB11mJcC&pg=PA11}}
*<!--{{sfn|Green|2019|loc=}}-->{{cite encyclopedia |last=Green |first=Leslie |author1-link=Leslie Green (philosopher) |date=2019 |orig-date=2003 |title=Legal Positivism |encyclopedia=[[Stanford Encyclopedia of Philosophy]] |issn=1095-5054 |oclc=643092515 |editor1-last=Zalta |editor1-first=Edward N. |editor1-link=Edward N. Zalta |edition=Fall 2021 |publisher=[[Stanford University]] |url=https://plato.stanford.edu/archives/fall2023/entries/legal-positivism/ |access-date=22 January 2025}}
*<!--{{sfn|Kelsen|1967|p=}}-->{{cite book |language=en |last=Kelsen |first=Hans |translator-last=Knight |translator-first=Max |date=1967 |orig-date=from ''Reine Rechtslehre'', 1934:[[Franz Deuticke]] |title=The Pure Theory of Law |publisher=University of California Press |location=Berkeley |isbn=9780520017559 |oclc=349106 |lccn=67-10234 |url=https://books.google.com/books?id=uWB2ehH5Ce0C}}
*<!--{{sfn|Kelsen|1992|p=}}-->{{cite book |language=en |last1=Kelsen |first1=Hans |date=1992 |orig-date=1934 |translator1-last=Litschewski-Paulson |translator1-first=Bonnie |translator2-last=Paulson |translator2-first=Stanley L. |title=Introduction to the Problems of Legal Theory: A Translation of the First Edition of the Reine Rechtslehre or Pure Theory of Law |publisher=Clarendon Press |location=Oxford |series=Oxford Scholarship Online |isbn=9780198265658 <!--online:9780191682919--> |oclc=36529056  |doi=10.1093/acprof:oso/9780198265658.001.0001 |url=https://books.google.com/books?id=OdM4AQAAIAAJ}}
*<!--{{sfn|Kelsen-GT|1961|p=}}-->{{cite book |language=en |last1=Kelsen |first1=Hans |translator-last1=Wedberg |translator-first1=Anders |date=1961 |orig-date=1945 |title=General Theory of Law and State |trans-title= |publisher=Russell & Russell |location=New York |series=20th century legal philosophy, #1 |oclc=1087259718 |ref={{harvid|Kelsen-GT|1961}} |url=https://books.google.com/books?id=Ft4jzwEACAAJ}}
*<!--{{sfn|Marmor|2021|loc=The Pure Theory of Law}}-->{{cite encyclopedia |last=Marmor |first=Andrei |date=2021 |title=The Pure Theory of Law |encyclopedia=[[Stanford Encyclopedia of Philosophy]] |issn=1095-5054 |oclc=643092515 |editor1-last=Zalta |editor1-first=Edward N. |editor1-link=Edward N. Zalta |edition=Fall 2021 |publisher=[[Stanford University]] |url=https://plato.stanford.edu/archives/fall2021/entries/lawphil-theory/}}
*<!--{{sfn|Olechowski|2018|p=}}-->{{cite book |language=en |last1=Olechowski |first1=Thomas |date=2018 |chapter=Legal Hierarchies in the Works of Hans Kelsen and Adolf Julius Merkl |editor1-last=Müßig |editor1-first=Ulrike |title=Reconsidering Constitutional Formation II Decisive Constitutional Normativity |publisher=Springer |location=Cham, CH |isbn=9783319730363 <!--9783319730370--> |oclc=7661964962 |doi=10.1007/978-3-319-73037-0_9 |series=Studies in the History of Law and Justice, 12 |pages=353–362 |url=https://books.google.com/books?id=HnJdDwAAQBAJ&pg=PA353}}
*<!--{{sfn|Olechowski|2018|p=}}-->{{cite book |language=de |last1=Olechowski |first1=Thomas |date=2021 |title=Biographie eines Rechtswissenschaftlers |trans-title=Biography of a Legal Scientist |edition=2nd revised |publisher=[[Mohr Siebeck]] |location=Tübingen |isbn=978-3-16-160205-4 <!--eISBN=978-3-16-160206-1--> |oclc=1246145816 |format=pdf |url=https://www.mohrsiebeck.com/uploads/tx_sgpublisher/produkte/leseproben/9783161602061.pdf}}
*<!--{{sfn|Paulson|1998|p=153–166}}-->{{cite journal |last=Paulson |first=Stanley L. |date=1998 |title=Four Phases in Hans Kelsen's Legal Theory? Reflections on a Periodization.  [Review of Carsten Heidemann, ''Die Norm als Tatsache. Zur Normentheorie Hans Kelsens'']|journal=Oxford Journal of Legal Studies |volume=18 |issue=1 |publisher= |issn= |pages= |doi= |jstor=764726 |access-date=10 October 2023 |url=https://www.jstor.org/stable/764726}}
*<!--{{sfn|Paulson|1999|p=}}-->{{cite journal |last=Paulson |first=Stanley L. |date=1999 |title=Arriving at a Defensible Periodization of Hans Kelsen's Legal Theory |journal=Oxford Journal of Legal Studies |volume=19 |issue=2 |publisher= |issn= |pages=351–364 |doi= |jstor=20468276 |url=http://www.jstor.org/stable/20468276 |access-date=10 October 2023}}
*<!--{{sfn|Scheuerman|2006|p=61–84}}-->{{cite journal |last=Scheuerman |first=William E. |date=2006 |title=Survey Article: Emergency Powers and the Rule of Law after 9/11 |journal=[[The Journal of Political Philosophy]] |volume=14 |issue=1 |publisher=John Wiley |issn= |pages=61–84 |doi=10.1111/j.1467-9760.2006.00256.x |url=https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1467-9760.2006.00256.x |url-access=subscription }}
*<!--{{sfn|Spaak|2022|p=}}-->{{cite journal |last=Spaak |first=Torben |date=2022 |title=Kelsen's Metaethics |journal=Ratio Juris |issn=0952-1917 |volume=35 |issue=2 |publisher= |pages=158–190 |doi=10.1111/raju.12343 |url=https://onlinelibrary.wiley.com/doi/full/10.1111/raju.12343|doi-access=free }}
*<!--{{sfn|Spaak|Mindus|2021|p=115–117}}-->{{cite book |language=en |last=Spaak |first=Torben |last2=Mindus |first2=Patricia |date=2021 |title=The Cambridge Companion to Legal Positivism |publisher=Cambridge University Press |location= |isbn= |pages=115–117 |oclc= |url=https://books.google.com/books?id=kxgXEAAAQBAJ}}
*<!--{{sfn|Steiner|2018|p=PT50}}-->{{cite book |last=Steiner |first=Eva |title=French Law: A Comparative Approach |date=2018 |publisher=[[OUP]] |isbn=9780198790891 |oclc=1029737869}}
*<!--{{sfn|Stewart|1990|p=}}-->{{cite journal |last=Stewart |first=Iain  |date=1990 |title=The Critical Legal Science of Hans Kelsen |journal=[[Journal of Law and Society]] |volume=17 |issue=3 |publisher=[[John Wiley & Sons|Wiley]]<!--on behalf of [[Cardiff School of Law and Politics]]--> |issn=0263-323X |pages=273–308 |jstor=1410155 |doi= |via=TWL/Hein online |url=https://heinonline.org/HOL/LandingPage?handle=hein.journals/jlsocty17&div=29 }}
*<!--{{sfn|Vinx|Lars|p=}}-->{{cite book |last=Vinx |first=Lars |date=2007 |title=Hans Kelsen's Pure Theory of Law: Legality and Legitimacy |publisher=Oxford University Press |language=en |isbn=9780199227952 |oclc=137312947 |doi=10.1093/acprof:oso/9780199227952.001.0001 |url=https://academic.oup.com/book/26802 |url-status=live |archive-url=https://archive.org/details/hanskelsenspuret0000vinx |archive-date=27 May 2023}}

==Further reading==
*Uta Bindreiter, ''Why'' Grundnorm''? A Treatise on the Implications of Kelsen's Doctrine'', The Hague 2002.
*Henry Cohen, [https://scholarship.law.stjohns.edu/cgi/viewcontent.cgi?params=/context/tcl/article/2087/&path_info=03._Kelsen_s_Pure_Theory_of_Law.pdf "Kelsen's Pure Theory of Law"] ''The Catholic Lawyer'', Vol. 26, No. 2, Spring 1981.
*William Ebenstein, ''The<!-- [sic] --> Pure Theory of Law'', 1945; New York 1969.
*<!--{{sfn|Harris|1980|p=}}--> {{cite book |last=Harris |first=J. W. |date=1980 |title=Legal Philosophies (Chapter 6) |location=London |publisher=Butterworths |oclc= |url=https://books.google.com/books?id=rf60AAAAIAAJ}}
*<!--{{sfn|Hart|Raz|Bulloch|2012|p=}}--> {{cite book |last1=Hart |first1=H. L. A. |last2=Raz |first2=Joseph|author-link2=Joseph Raz|last3=Bulloch |first3=Penelope A. |date=2012 |orig-date=1961:Clarendon Press |title=The Concept of Law (Chapter 3) |location=Oxford |publisher=OUP |oclc= |url=https://books.google.com/books?id=YhFVBAAAQBAJ}}
*<!--{{sfn|Hart|1970|p=}}--> {{cite book |last=Hart |first=H. L. A. |author-link=H. L. A. Hart|date=1970 |orig-date=1968 |chapter=Kelsen's Doctrine of the Unity of Law |editor1=H. E. Kiefer  |editor2=M. K. Munitz |title=Ethics and Social Justice |location=New York |publisher=State University of New York Press |pages=171–199 |oclc= |url=https://books.google.com/books?id=1R8bi1m9NvIC}}
*<!--{{sfn|Marmor|2001|p=}}--> {{cite book |last=Marmor |first=Andrei |author-link=Andrei Marmor|date=2001 |title=Positive Law and Objective Values |publisher=Oxford University Press |oclc= |url=https://books.google.com/books?id=bNGrq31fURsC}}
*<!--{{sfn|Marmor|2011|p=}}--> {{cite book |last=Marmor |first=Andrei |date=2011 |chapter=1 |title=Philosophy of Law |series=The Princeton Series in the Foundations of Contemporary Philosophy  |editor1=S. Soames |publisher=Princeton University Press |oclc= |url=}}
*Ronald Moore, ''Legal Norms and Legal Science: a Critical Study of Hans Kelsen's Pure Theory of Law'', Honolulu 1978.
*<!--{{sfn|Paulson|2002|p=}}--> {{cite book |last=Paulson |first=Stanley L. |date=2002 |title=Kelsen's Introduction to the Problems of Legal Theory |chapter=Introduction |location=Oxford |publisher=Clarendon Press |page=xvii |oclc= |url=}}
*<!--{{sfn|Paulson|2012|p=}}--> {{cite book |last=Paulson |first=Stanley L. |date=2012 |chapter=A 'Justified Normativity' Thesis in Hans Kelsen's Pure Theory of Law? Rejoinders to Robert Alexy and Joseph Raz |editor1=Matthias Klatt |title=Institutionalized Reason: The Jurisprudence of Robert Alexy |location=Oxford |publisher=Oxford University Press |pages=61–111 |oclc=  |url=https://books.google.com/books?id=rtn2AZkAhKUC&pg=PT99}}
*<!--{{sfn|Paulson|2013|p=}}--> {{cite book |last=Paulson |first=Stanley L. |date=2013 |chapter=The Great Puzzle: Kelsen’s Basic Norm |editor1=Luis Duarte d’Almeida |editor2=John Gardner |editor3=Leslie Green |title=Kelsen Revisited: New Essays on the Pure Theory of Law |location=Oxford |publisher=Hart Publishing |pages=43–62 |oclc= |url=https://books.google.com/books?id=QI3qAwAAQBAJ}}
*Stanley L. Paulson and Bonnie Litschewski Paulson (eds), ''Normativity and Norms: Critical Perspectives on Kelsenian Themes'', Oxford 1998.
*<!--{{sfn|Raz|1979|p=}}--> {{cite book |last=Raz |first=Joseph |author-link=Joseph Raz|date=1979 |chapter=Kelsen's Theory of the Basic Norm |editor1=Joseph Raz |title=The Authority of Law |publisher=Oxford University Press |pages=122–145 |oclc= |url=}}
*<!--{{sfn|Raz|1980|p=}}--> {{cite book |last=Raz |first=Joseph |date=1980 |title=The Concept of a Legal System |edition=2nd |publisher=Oxford University Press |oclc= |url=}}
*Richard Tur and William Twining (eds), ''Essays on Kelsen'', Oxford 1986.
*Gonzalo Villa-Rosas, Jorge Luis Fabra-Zamora and Jorge Emilio Núñez (eds), ''Kelsen's Legacy:  Legal Normativity, International Law and Democracy'', Oxford 2025.
*Lars Vinx, ''Hans Kelsen's Pure Theory of Law'', Oxford 2007.

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