Karl Widerquist: opere
- 2011 Why We Demand a Basic Income: the ECSO Freedom Case, Presses Universitaires de Louvain, Louvain, [rif.]
- in: Arguing About Justice: Essays for Philippe Van Parijs
- 2012 Alaska's Permanent Fund Dividend: Examining Its Suitability as a Model, Palgrave Macmillan, New York, [rif.]
- con: M. Howard
- 2013 Basic Income: An Anthology of Contemporary Research, Blackweel Wiley, Chichester, [rif.]
- con: J.A. Noguera, Y. Vanderborght, J. De Wispelaere J.