- Karl Widerquist and Grant S. McCall “Socio-Economic Inequality in the Pleistocene and the Present, Part 1: Why it Matters”
- Grant S. McCall and Karl Widerquist “Socio-Economic Inequality in the Pleistocene and the Present, Part 2: What Can We Say?”
- 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)
- Widerquist and McCall, 2017. Free Online Appendix to Prehistoric Myths in Modern Political Philosophy, Edinburgh University Press (70 pages)
- Karl Widerquist and Grant McCall, 2017. Prehistoric Myths in Modern Political Philosophy, Edinburgh: Edinburgh University Press (274 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
- Grant S. McCall and Karl Widerquist, 2015. “The Evolution of Equality: Rethinking Variability and Egalitarianism Among Modern Forager Societies.” Ethnoarchaeology 7 (1) March: 21-44
- Karl Widerquist “Viewpoint: What Does the Stone Age Have to Do With Us?” Citizens Income Newsletter, Issue 3, 2008
Audio-Video
Links to Audio-Video
- 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 (video 49:00). By Karl Widerquist, Session 8: Why Private Property? II Conference, Centre de théorie politique, June 25, 2021
- The Imposition of the Property System: An Outline. Fair Go Australian Basic Income Discussion Group, posted May 23, 2021 (video excerpt 12:09)
- Dan Schneider Video Interview #312 (video). Interview of Karl Widerquist by Dan Schneider, Cosmoetica, YouTube, May 19, 2021 (video)
- 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)
- “The Prehistory Of Private Property with Karl Widerquist.” Interview by Austin Mackell. Fair Go – Australian Basic Income Discussion Group, April 7, 2021
- 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 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
- Karl Widerquist on Private Property (video), By Karl Widerquist (speaker) and Alex Howlett (host) video lecture about “Justice as the Pursuit of Accord,” Boston Basic Income #98, Hosted by Alex Howlett, Apr 15, 2020
- –Were pre-modern societies really any worse off than moderns? Nov 12, 2019 (Audio excerpt 8:28)