Editing Syllabus of Errors (section)

== Further reading ==
* ''Pio Nono: A Study in European Politics and Religion in the Nineteenth Century'', by E.E.Y. Hales (P.J. Kenedy, 1954)
* ''The Catholic Church in the Modern World'' by [[E.E.Y. Hales]] (Doubleday, 1958)
*{{Cite book |last=Rossi |first=Ernesto |title=Il sillabo e dopo |publisher=Kaos |others=Giuseppe Armani |year=2000 |isbn=88-7953-092-5 |location=Milano |language=it |oclc=797673855 |author-link=Ernesto Rossi (politician)}}
*{{Cite web|date=1962|title=Donoso Cortés y la preparación del "Syllabus"|url=https://fundacionspeiro.org/revista-verbo/1962/3/documento-108|access-date=2021-11-04|website=fundacionspeiro.org|language=es}}
* {{cite journal |last=Utt |first=Walter C. |title=Quanta Cura and the Syllabus of Errors |journal=Liberty |volume=55 |issue=6, November–December |pages=12, 13, 32–34 |publisher=Review and Herald Publishing Association |location=Washington, D.C. |year=1960 |archive-url=https://web.archive.org/web/20160510000354/http://docs.adventistarchives.org/docs/libm/libm19600601-v55-06__c.pdf|archive-date=2016-05-10|url=http://www.adventistarchives.org/docs/LibM/LibM19600601-V55-06__C.pdf#view=fit |access-date=24 June 2011 }}
* [http://www.newmanreader.org/works/anglicans/volume2/gladstone/section7.html John Henry Newman's discussion of the Syllabus in ''Difficulties of Anglicans''] volume 2 (1874) newmanreader.org
* [http://www.catholic.com/magazine/articles/the-syllabus-the-controversy-and-the-context The Syllabus, the Controversy, and the Context] {{Webarchive|url=https://web.archive.org/web/20120406224649/http://www.catholic.com/magazine/articles/the-syllabus-the-controversy-and-the-context |date=6 April 2012 }} In This Rock Magazine, January 2009
* [http://www.victorianweb.org/religion/Gladstone___Vatican.html Excerpt from Gladstone's ''The Vatican Decrees in Their Bearing on Civil Allegiance: a Political Expostulation''] at [[Victorian Web]]
* [http://www.newadvent.org/cathen/14368b.htm A. Haag, "Syllabus"] in the Catholic Encyclopedia (1912) newadvent.org