Editing Popper's three worlds (section)

===Works cited===
{{Refbegin}}
* {{cite book| first = J. C.
| last = Eccles
| title = Facing Reality: Philosophical Adventures by a Brain Scientist
| url = https://books.google.com/books?id=F9HkBwAAQBAJ
| date = 1970
| publisher = Springer Science & Business Media
| isbn=978-1-4757-3997-8
}}
* {{Cite book| first = Michael
| last = Heller
| title = Philosophy in Science: An Historical Introduction
| publisher = Springer
| date = 2011
}}
* {{Cite book | first = Ilkka
| last = Niiniluoto
| chapter = World 3: A Critical Defence
| title = Karl Popper: Metaphysics and epistemology
| editor1-first = Ian
| editor1-last = Jarvie
| editor2-first = Karl
| editor2-last = Milford
| editor3-first = David
| editor3-last = Miller
| publisher = Ashgate
| date = 2006
}}
* {{Cite conference | first = Karl
| last = Popper
| title =  Epistemology Without a Knowing Subject
| conference = Third International Congress for Logic, Methodology and Philosophy of Science, 25 August 1967
| location = Amsterdam
| date = 1968
| orig-year = reprinted in {{harvnb|Popper|1972|loc=chap. 3}}.
}}
* {{Cite book| first = Karl
| last = Popper
| title = Objective Knowledge: An Evolutionary Approach
| date = 1972
}}
* {{Cite book | last=Popper
| first = Karl R.
| url = https://www.worldcat.org/oclc/30318882
| title = Knowledge and the body-mind problem : in defence of interaction
| date = 1994
| orig-year = Based on his Emory University lectures 1969
| publisher = Routledge
| others = Mark Amadeus Notturno
| isbn = 0-415-11504-3
| location = London
| oclc = 30318882
}}

{{Refend}}