Karl Popper (English Wikipedia)

Correspondence I. American Academy of Arts and Sciences. Free Inquiry (Paul Kurtz) 1973–1983. Reel 319. Box/Folder 297:11. Online Archive of California.

doi.org (Global: 2^nd place; English: 2^nd place)

Watkins 1994. Watkins, John (1 December 1994). "Karl Popper (1902–1994)". The British Journal for the Philosophy of Science. 45 (4): 1089–1090. Bibcode:1994Natur.371..478B. doi:10.1093/bjps/45.4.1089. ISSN 0007-0882. S2CID 124678624.
Horgan 1992. Horgan, J. (1992). "Profile: Karl R. Popper – The Intellectual Warrior". Scientific American. 267 (5): 38–44. Bibcode:1992SciAm.267e..38H. doi:10.1038/scientificamerican1192-38.
Sturm 2012. Sturm, Thomas (2012). "Bühler and Popper: Kantian therapies for the crisis in psychology". Studies in History and Philosophy of Biological and Biomedical Sciences. 43 (2): 462–472. doi:10.1016/j.shpsc.2011.11.006. PMID 22520195.
Bondi, Herman (October 1994). "Obituary" (PDF). Nature. 371 (6497): 478. Bibcode:1994Natur.371..478B. doi:10.1038/371478a0. PMID 7935759.
Miller 1997. Miller, D. (1997). "Sir Karl Raimund Popper, C. H., F. B. A. 28 July 1902 – 17 September 1994.: Elected F.R.S. 1976". Biographical Memoirs of Fellows of the Royal Society. 43: 369–409. doi:10.1098/rsbm.1997.0021.
Akrami 2009, Sec. Popper's Critique of Vienna Circle and the Positivistic Approach: "Trying to analyze and solve the problem of demarcation, Popper came to the conclusion that classical empiricism and logical positivism, particularly as manifested in observationalist-inductivist account of science, must be criticized from a viewpoint that came to be called 'critical rationalism', a term that was used to describe his own philosophy." Akrami, Musa (2009). "Popper on Refutability: Some Philosophical and Historical Questions". In Parusnikova, Zuzana; Cohen, Robert S. (eds.). Rethinking Popper. Boston Studies in the Philosophy of Science. Springer. pp. 397–416. doi:10.1007/978-1-4020-9338-8_11. ISBN 978-1402093371. OCLC 260208425.
Hacohen, Malachi H. (1998). "Karl Popper, the Vienna Circle, and Red Vienna". Journal of the History of Ideas. 59 (4): 711–734. doi:10.2307/3653940. ISSN 0022-5037. JSTOR 3653940.
Pigden, Charles (1995). "Popper Revisited, or What Is Wrong With Conspiracy Theories?". Philosophy of the Social Sciences. 25 (1): 3–34. doi:10.1177/004839319502500101. ISSN 0048-3931. S2CID 143602969.
Kiesewetter 1995. Kiesewetter, Hubert (1995). "Ethical Foundations of Popper's Philosophy". Royal Institute of Philosophy Supplements. 39 (September): 275–288. doi:10.1017/S1358246100005555.
Miller 1997, p. 398. Miller, D. (1997). "Sir Karl Raimund Popper, C. H., F. B. A. 28 July 1902 – 17 September 1994.: Elected F.R.S. 1976". Biographical Memoirs of Fellows of the Royal Society. 43: 369–409. doi:10.1098/rsbm.1997.0021.
Derksen, Maarten (1 August 2019). "Putting Popper to work". Theory & Psychology. 29 (4): 449–465. doi:10.1177/0959354319838343. hdl:11370/a21a419c-6346-41f9-b74a-0e8c74264054. ISSN 0959-3543.

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"Gravitational deflection of light – Einstein Online". www.einstein-online.info. Archived from the original on 21 November 2019. Retrieved 31 May 2019.

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"Karl Popper recoge hoy en Barcelona el Premi Internacional Catalunya". El País. 24 May 1989.

en.wikisource.org (Global: 82^nd place; English: 41^st place)

Gregory, Frank Hutson (1996) Arithmetic and Reality: A Development of Popper's Ideas. City University of Hong Kong. Republished in Philosophy of Mathematics Education Journal No. 26 (December 2011).

errorstatistics.com (Global: low place; English: low place)

Popper, Karl (1963). Conjectures and Refutations: The Growth of Scientific Knowledge (PDF). Routledge. Retrieved 1 November 2025.

ghostarchive.org (Global: 64^th place; English: 28^th place)

Soros, George (11 October 2010). "Open Society". YouTube. Archived from the original on 30 October 2021. Retrieved 7 December 2020.

hdl.handle.net (Global: 66^th place; English: 34^th place)

Derksen, Maarten (1 August 2019). "Putting Popper to work". Theory & Psychology. 29 (4): 449–465. doi:10.1177/0959354319838343. hdl:11370/a21a419c-6346-41f9-b74a-0e8c74264054. ISSN 0959-3543.

helmut-zenz.de (Global: low place; English: low place)

Eichstätter. "Eichstätter Karl Popper-Seite". Helmut-zenz.de. Archived from the original on 10 June 2013. Retrieved 21 December 2012.

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"Karl Popper (1902-1994)". Humanist Heritage. Humanists UK. Retrieved 20 August 2025.

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Popper, Karl (1953). "The Problem of Induction" (PDF). Proceedings of the British Academy. 39: 53–67. Retrieved 1 November 2025.

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"Karl Raimund Popper". Inamori Foundation. Archived from the original on 23 May 2013. Retrieved 9 June 2012.

informationphilosopher.com (Global: low place; English: low place)

Popper, K.R. "Of Clouds and Clocks," in his Objective Knowledge, corrected edition, pp. 206–255, Oxford, Oxford University Press (1973), p. 231 footnote 43, & p. 252; also Popper, K.R. "Natural Selection and the Emergence of Mind", 1977.

johnkadvany.com (Global: low place; English: low place)

Kadvany, John (2001). Imre Lakatos and the Guises of Reason. Duke University Press Books. p. 400. ISBN 978-0822326601. Retrieved 22 January 2016.Site on Lakatos/Popper John Kadvany, PhD Archived 14 February 2015 at the Wayback Machine

jstor.org (Global: 23^rd place; English: 15^th place)

Hacohen, Malachi H. (1998). "Karl Popper, the Vienna Circle, and Red Vienna". Journal of the History of Ideas. 59 (4): 711–734. doi:10.2307/3653940. ISSN 0022-5037. JSTOR 3653940.

keio.ac.jp (Global: 3,859^th place; English: low place)

fs1.law.keio.ac.jp

Popper, Karl (3 September 1994). "List of Western Literature on Popper Studies". Keio University. Japan Popper Philosophy Study Group. Retrieved 13 March 2020.
Miller 1994. Miller, David (17 September 1994). "Sir Karl Popper: A Personal Note". Fs1.law.keio.ac.jp. Retrieved 21 December 2012.

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"London Gazette". 5 March 1965. p. 22. Retrieved 1 December 2012.

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Rodgers, Ewan (20 March 2017). "The History of LSE Philosophy". Philosophy, Logic and Scientific Method. Retrieved 23 February 2025.

nature.com (Global: 207^th place; English: 347^th place)

Bondi, Herman (October 1994). "Obituary" (PDF). Nature. 371 (6497): 478. Bibcode:1994Natur.371..478B. doi:10.1038/371478a0. PMID 7935759.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Sturm 2012. Sturm, Thomas (2012). "Bühler and Popper: Kantian therapies for the crisis in psychology". Studies in History and Philosophy of Biological and Biomedical Sciences. 43 (2): 462–472. doi:10.1016/j.shpsc.2011.11.006. PMID 22520195.
Bondi, Herman (October 1994). "Obituary" (PDF). Nature. 371 (6497): 478. Bibcode:1994Natur.371..478B. doi:10.1038/371478a0. PMID 7935759.

nytimes.com (Global: 7^th place; English: 7^th place)

New York Times Obituaries. "Sir Karl Popper Is Dead at 92. Philosopher of 'Open Society'". The New York Times. 18 September 1994. Retrieved 15 November 2012.

opencharities.org (Global: low place; English: low place)

"The Karl Popper Charitable Trust". OpenCharities. 10 September 2012. Retrieved 21 December 2012.

opensociety.de (Global: low place; English: low place)

Opensociety: "Sir Karl Popper, a philosopher who was a defender of democratic systems of government, died today in a hospital here. He was 92. He died of complications of cancer, pneumonia and kidney failure, said a manager at the hospital in this London suburb." Niemann, Hans-Joachim. "Karl Raimond Popper (1902–1994)". Opensociety.de. Retrieved 12 August 2014.

oup.com (Global: 292^nd place; English: 233^rd place)

academic.oup.com

Watkins 1994. Watkins, John (1 December 1994). "Karl Popper (1902–1994)". The British Journal for the Philosophy of Science. 45 (4): 1089–1090. Bibcode:1994Natur.371..478B. doi:10.1093/bjps/45.4.1089. ISSN 0007-0882. S2CID 124678624.

philotextes.info (Global: low place; English: low place)

Popper, Karl (1959). The Logic of Scientific Discovery (PDF). Hutchinson. Retrieved 1 November 2025.

philpapers.org (Global: 2,176^th place; English: 1,487^th place)

Pigden, Charles (1995). "Popper Revisited, or What Is Wrong With Conspiracy Theories?". Philosophy of the Social Sciences. 25 (1): 3–34. doi:10.1177/004839319502500101. ISSN 0048-3931. S2CID 143602969.

science-frontiers.com (Global: low place; English: low place)

"Philosophical confusion?". Science-Frontiers.com. 2 October 1986. Archived from the original on 12 August 2014. Retrieved 12 August 2014.

scientificamerican.com (Global: 1,110^th place; English: 817^th place)

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Horgan, John (22 August 2018). "The Paradox of Karl Popper". Scientific American. Retrieved 12 March 2023.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Watkins 1994. Watkins, John (1 December 1994). "Karl Popper (1902–1994)". The British Journal for the Philosophy of Science. 45 (4): 1089–1090. Bibcode:1994Natur.371..478B. doi:10.1093/bjps/45.4.1089. ISSN 0007-0882. S2CID 124678624.
Pigden, Charles (1995). "Popper Revisited, or What Is Wrong With Conspiracy Theories?". Philosophy of the Social Sciences. 25 (1): 3–34. doi:10.1177/004839319502500101. ISSN 0048-3931. S2CID 143602969.

stanford.edu (Global: 194^th place; English: 182^nd place)

plato.stanford.edu

Thornton 2015 : "Popper professes to be anti-conventionalist, and his commitment to the correspondence theory of truth places him firmly within the realist's camp". Thornton, Stephen (1 January 2015). Zalta, Edward N. (ed.). Karl Popper (Winter 2015 ed.). Metaphysics Research Lab, Stanford University.
Thornton 2015. Thornton, Stephen (1 January 2015). Zalta, Edward N. (ed.). Karl Popper (Winter 2015 ed.). Metaphysics Research Lab, Stanford University.
Thornton, Stephen (2023), Zalta, Edward N.; Nodelman, Uri (eds.), "Karl Popper", The Stanford Encyclopedia of Philosophy (Winter 2023 ed.), Metaphysics Research Lab, Stanford University, retrieved 3 February 2026
Thornton 2018. Thornton, Stephen (2018). "Karl Popper". In Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy (Fall 2018 ed.). Metaphysics Research Lab, Stanford University. Retrieved 20 August 2019.
Thornton 2018, Sec. 4. Thornton, Stephen (2018). "Karl Popper". In Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy (Fall 2018 ed.). Metaphysics Research Lab, Stanford University. Retrieved 20 August 2019.
Thornton, Stephen (12 September 2022). "Karl Popper". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy. Retrieved 1 November 2025.
"Karl Popper (Stanford encyclopedia)". Stanford encyclopedia. Retrieved 14 February 2025.
Musgrave, Alan; Pigden, Charles. Zalta, Edward N; Nodelman, Uri (eds.). "Imre Lakatos". The Stanford Encyclopedia of Philosophy (Spring 2023 ed.). Metaphysics Research Lab, Stanford University. Retrieved 12 March 2023. Lakatos's methodology has been seen, rightly, as an attempt to reconcile Popper's falsificationism with the views of Thomas Kuhn.

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"CA211.1: Popper on natural selection's testability". talk.origins. 2 November 2005. Retrieved 26 May 2009.

the-rathouse.com (Global: low place; English: low place)

William W. Bartley (1964). "Rationality versus the Theory of Rationality". In Mario Bunge: The Critical Approach to Science and Philosophy (The Free Press of Glencoe). Section IX.

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Soros, George (1 February 1997). "The Capitalist Threat". The Atlantic. Retrieved 7 February 2022.

thebritishacademy.ac.uk (Global: 6,081^st place; English: 4,181^st place)

Watkins 1997. Watkins, John W. N. (1997). "Karl Raimund Popper 1902–1994" (PDF). Proceedings of the British Academy. 94: 645–684.

thegazette.co.uk (Global: 151^st place; English: 84^th place)

"No. 49008". The London Gazette. 11 June 1982. p. 5.

theguardian.com (Global: 16^th place; English: 11^th place)

Williams, Liz (10 September 2012). "Karl Popper, the enemy of certainty, part 1: a rejection of empiricism". The Guardian. Retrieved 22 February 2014.

tufts.edu (Global: 192^nd place; English: 165^th place)

dl.tufts.edu

Dennett, Daniel C., review of Karl R. Popper and John C. Eccles, The Self and Its Brain, in The Journal of Philosophy. 76 (2): 91–97. Retrieved 12 May 2025.

utm.edu (Global: 1,830^th place; English: 1,501^st place)

iep.utm.edu

IEP Critical rationalism. Wettersten, John R. "Karl Popper and Critical Rationalism". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
IEP Popper political. Gorton, William. "Karl Popper: Political Philosophy". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
IEP Popper scientific. Shea, Brendan. "Karl Popper: Philosophy of Science". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
"Karl Popper: Political Philosophy | Internet Encyclopedia of Philosophy". Retrieved 7 February 2022.

web.archive.org (Global: 1^st place; English: 1^st place)

Eichstätter. "Eichstätter Karl Popper-Seite". Helmut-zenz.de. Archived from the original on 10 June 2013. Retrieved 21 December 2012.
Manfred Lube: Karl R. Popper – Die Bibliothek des Philosophen als Spiegel seines Lebens. Imprimatur. Ein Jahrbuch für Bücherfreunde. Neue Folge Band 18 (2003), S. 207–238, ISBN 3447047232.
"Karl Raimund Popper". Inamori Foundation. Archived from the original on 23 May 2013. Retrieved 9 June 2012.
"Gravitational deflection of light – Einstein Online". www.einstein-online.info. Archived from the original on 21 November 2019. Retrieved 31 May 2019.
"Philosophical confusion?". Science-Frontiers.com. 2 October 1986. Archived from the original on 12 August 2014. Retrieved 12 August 2014.
Kadvany, John (2001). Imre Lakatos and the Guises of Reason. Duke University Press Books. p. 400. ISBN 978-0822326601. Retrieved 22 January 2016.Site on Lakatos/Popper John Kadvany, PhD Archived 14 February 2015 at the Wayback Machine

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IEP Critical rationalism. Wettersten, John R. "Karl Popper and Critical Rationalism". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
IEP Popper political. Gorton, William. "Karl Popper: Political Philosophy". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
Watkins 1994. Watkins, John (1 December 1994). "Karl Popper (1902–1994)". The British Journal for the Philosophy of Science. 45 (4): 1089–1090. Bibcode:1994Natur.371..478B. doi:10.1093/bjps/45.4.1089. ISSN 0007-0882. S2CID 124678624.
IEP Popper scientific. Shea, Brendan. "Karl Popper: Philosophy of Science". In Fieser, James; Dowden, Bradley (eds.). Internet Encyclopedia of Philosophy. ISSN 2161-0002. OCLC 37741658.
Akrami 2009, Sec. Popper's Critique of Vienna Circle and the Positivistic Approach: "Trying to analyze and solve the problem of demarcation, Popper came to the conclusion that classical empiricism and logical positivism, particularly as manifested in observationalist-inductivist account of science, must be criticized from a viewpoint that came to be called 'critical rationalism', a term that was used to describe his own philosophy." Akrami, Musa (2009). "Popper on Refutability: Some Philosophical and Historical Questions". In Parusnikova, Zuzana; Cohen, Robert S. (eds.). Rethinking Popper. Boston Studies in the Philosophy of Science. Springer. pp. 397–416. doi:10.1007/978-1-4020-9338-8_11. ISBN 978-1402093371. OCLC 260208425.
Hacohen, Malachi H. (1998). "Karl Popper, the Vienna Circle, and Red Vienna". Journal of the History of Ideas. 59 (4): 711–734. doi:10.2307/3653940. ISSN 0022-5037. JSTOR 3653940.
Coady, David (2006). Conspiracy theories : the philosophical debate. London: Ashgate. p. 4. ISBN 978-1315259574. OCLC 1089930823.
Pigden, Charles (1995). "Popper Revisited, or What Is Wrong With Conspiracy Theories?". Philosophy of the Social Sciences. 25 (1): 3–34. doi:10.1177/004839319502500101. ISSN 0048-3931. S2CID 143602969.
Derksen, Maarten (1 August 2019). "Putting Popper to work". Theory & Psychology. 29 (4): 449–465. doi:10.1177/0959354319838343. hdl:11370/a21a419c-6346-41f9-b74a-0e8c74264054. ISSN 0959-3543.

youtube.com (Global: 13^th place; English: 14^th place)

Soros, George (11 October 2010). "Open Society". YouTube. Archived from the original on 30 October 2021. Retrieved 7 December 2020.

Karl Popper (English Wikipedia)

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