- Karl Widerquist, 2023. The Problem of Property: Taking the Freedom of Nonowners Seriously, Palgrave MacMillan (138 pages)
- Karl Widerquist and Grant S McCall, 2021, “The State of Nature, Prehistory, and Mythmaking,” in Anne Peters and Mark Somos (editors), The State of Nature: Histories of an Idea, Brill Publishers, 2021
- Karl Widerquist and Grant S. McCall, 2021. The Prehistory of Private Property: Implications for Modern Political Theory, Edinburgh: Edinburgh University Press (317 pages)
- UBI is the farthest thing from something for nothing. Karl Widerquist speaks at the 2020 Basic Income March in New Orleans, Humanity First Movement Louisiana YouTube Channel, recorded September 19, 2020, posted September 20, 2020
- Karl Widerquist, “End the Threat of Economic Destitution Now,” Open Democracy, 17 September 2019
- Karl Widerquist, 2019, “The Pursuit of Accord: Toward a Theory of Justice With a Second-Best Approach to the Insider-Outsider Problem,” Raisons Politiques 73 (1), 61-82
- Karl Widerquist and Grant McCall, 2017. Prehistoric Myths in Modern Political Philosophy, Edinburgh: Edinburgh University Press (274 pages)
- Widerquist and McCall, 2017. Free Online Appendix to Prehistoric Myths in Modern Political Philosophy, Edinburgh University Press (70 pages)
- Karl Widerquist and Grant S. McCall, 2015. “Myths about the State of Nature and the Reality of Stateless Societies.” Analyse & Kritik 37 (2), August, 233-257
- Unconditional Basic Income and Freedom / Grundeinkommen und Freiheit (BIEN2012). By Robert Ulmer, Karl Widerquist, and Karl Reitter, Netzwerk Grundeinkommen YouTube Channel, recorded 2012, post January 20, 2013
- Karl Widerquist, March 2013. Independence, Propertylessness, and Basic Income: A Theory of Freedom as the Power to Say No. New York: Palgrave Macmillan (241 pages)
- Karl Widerquist, 2013. “Freedom and Basic Income,” in Basic Income: An Anthology of Contemporary Research, Karl Widerquist, José A. Noguera, Yannick Vanderborght, and Jurgen De Wispelaere (eds.) Oxford: Wiley-Blackwell
- Status Freedom. PowerPoint presentation by Karl Widerquist. Set to music by Robin Ketelaars. Robin Ketelaars YouTube Channel, September 21, 2012
- Karl Widerquist, 2011. “Why we Demand an Unconditional Basic Income: the ECSO freedom case,” in Arguing about Justice: Essays for Philippe Van Parijs, Axel Gosseries and Yannick Vanderborght (eds.) Louvain-la-Neuve, Belgium: Presses universitaires de Louvain, pp. 387-394
- Karl Widerquist, 2010. “Lockean Theories of Property: Justifications for Unilateral Appropriation,” Public Reason 2 (3): 3-26
- Karl Widerquist, 2010. “The Physical Basis of Voluntary Trade,” Human Rights Review 11 (1): 83-103
- Karl Widerquist, 2009. “Libertarianism,” in the International Encyclopedia of Public Policy: Governance in a Global Age, Volume 3, Phillip O’Hara (Ed.) Perth: GPERU, pp. 338-350
- Karl Widerquist, 2009. “A Dilemma for Libertarianism,” Politics, Philosophy, and Economics 8 (1): 43-72
- Karl Widerquist, 2006. Property and the Power to Say No: A Freedom-Based Argument For Basic Income, the University of Oxford (341 pages), (Later revised, extended, and published as two books, Independence, Propertylessness, and Basic Income and The Problem of Property)
- Karl Widerquist, 2005. “Review of Libertarianism Without Inequality by Michael Otsuka,” the Citizens Income Newsletter (1)
- Karl Widerquist, 2004. “Review of Work Behavior of the World’s Poor: Theory Evidence and Policy, Mohammed Sharif,” the Citizens Income Newsletter (1)
- Karl Widerquist, 2004. “Review of The Civic Minimum by Stuart White,” the Citizens Income Newsletter(1)
- Karl Widerquist “The Basic Income Guarantee,” Synthesis/Regeneration 26, Fall 2001
Audio-Video
Links to Audio-Video
- On the ethics of UBI: Enno Schmidt talking to Karl Widerquist (video interview). By Enno Schmidt. Freiburg Institute for Basic Income Studies’ YouTube Channel, Sep 28, 2022
- Canadians with Disabilities & their Allies – Karl Widerquist. Interview by Patricia Scrafield. Neil Matheson YouTube Channel, October 24, 2022
- Karl Widerquist, “Ethics of UBI, video 1: Prehistoric Myths in Modern Political Philosophy. By Karl Widerquist, Karl Widerquist’s Research (YouTube Channel), Recorded 14 January 2022, posted 15 January 2022
- Universal Basic Income and Property Rights. Interview of Karl Widerquist by Sam Barton. Talk of Today Podcast. YouTube, Aug 6, 2021
- The Prehistory Of Private Property with Karl Widerquist. Interview by Austin Mackell, Fair Go – Australian Basic Income Discussion Group, April 7, 2021 (video, 1:32:40)
- Basic Income, Social Justice, and the Power to Say NO. Posted May 2, 2021 (video excerpt, 3:24)
- The “Mutual” Advantage of Private Property: Whose Reality? Posted May 9, 2021 (video excerpt, 7:57)
- Basic Income: A *Realistic* Means of Production: Karl Widerquist answers the question, is giving people direct access to the land a reasonable alternative to Basic Income. Posted May 16, 2021 (video excerpt, 3:14)
- The Imposition of the Property System: An Outline. Fair Go Australian Basic Income Discussion Group, posted May 23, 2021 (video excerpt 12:09)
- Can Leftists Speak of Liberty? Fair Go Australian Basic Income Discussion Group, post May 30, 2021 (video excerpt 3:38)
- Supporting People, the Environment, UBI (video interview). By Blair Walsingham (host) and Karl Widerquist (interviewee), Its Your Vote (Episode 6), Blair For Congress, YouTube, August 21, 2020
- The Universal Basic Income Debate (video). By Petar Josic (host) and Marco Annunziata and Karl Widerquist (debators), Digi-Debates, Aug 13, 2020
- Basic Income Tea: #FutureOfWork: Business, but NOT as usual (video). By Antonis Triantafyllakis, Basic Income Tea – Sunday Webinars, Universal Basic Income-Europe, Sunday, 21 June, 2020
- ‘The Prehistory of Private Property’: Karl Widerquist introduces his new book with Grant McCall (video). By Karl Widerquist, Worldwide 9th Meeting of UBI Advocates and UBI Networks, YouTube, Recorded June 9th, 2020. First broadcast: June 14th 2020
- Universal Basic Income: the power to say ‘no’, for everyone. Cartoon video with text by Neil Howard and Karl Widerquist. Published by OpenDemocracyand YouTube. Dec 1, 2019.
- Elms College Humanities Lecture: “Freedom, Basic Income, and the Abolition of Poverty”. By Karl Widerquist, ElmsCollegeVideo, YouTube, posted November 18, 2019 (recorded October 28, 2019)
- The Power to Say No and American Social Policy (video), lecture with questions and answers by Karl Widerquist, delivered at Florida State University’s College of Social Work conference, “Poverty in America: Critical Perspectives on Causes, Effects and Possible Solutions,” March 1, 2019
- Dan Schneider Video Interview #265: Prehistoric Myths in Modern Political Philosophy. By Dan Schneider (host) interviewing Karl Widerquist, Cosmoetica, May 23, 2019
- Basic Income: Favorite Argument in 21 Seconds – Karl Widerquist, UBIVisuals, YouTube, Oct 31, 2018
- We don’t have freedom without Basic Income. Karl Widerquist, UBIVisuals, YouTube, Nov. 12, 2018
- Prehistoric Myths in Modern Political Philosophy (video), lecture by Karl Widerquist, at the University of Paris, June 18, 2018 (Language: English).
- My own private basic income, by Karl Widerquist, OpenDemocracy, June 2, 2017.
- Reprinted in Moon Magazine, 2017, “My own private basic income.
- Audio version published by OpenDemocracy, read by Karl Miller, on Curio.io Souncloud channel, “My own private basic income,” November 2017.
- Audio version, “My own private basic income,” is also available on YouTube.
- Also on YouTube, Prehistoric Myths in Modern Political Philosophy (video)
- We’ve Owed Each Other a Basic Income Since We Killed the Buffalo: 9-minute speech at the New York Basic Income March, October 26, 2019 (video). By Karl Widerquist, Filmed by Juhl Media. Posted October 29, 2019
- Also, translated into French: Pourquoi je marche pour le Revenu de Base. By Karl Widerquist. Translation by Pierre Madden, Revenu de Base Villeray, November 8, 2020
- Reposted on Twitter [direct link] and Facebook [direct link]