Book Fernandes, Sergio L. De C.; (1985)
Foundations of objective knowledge: The relations of Popper's theory of knowledge to that of Kant

Book Richmond, Sheldon; (1994)
Aesthetic criteria: Gombrich and the philosophies of science of Popper and Polanyi

Article Panza, Marco; (1998)
Popper et le malentendu de l'induction

Article Jacobs, Struan; (1999)
Thoughts on political sources of Karl Popper's philosophy of science

Article Hacohen, Malachi H.; (1998)
Karl Popper, the Vienna Circle, and Red Vienna

Book Stokes, Geoff; (1998)
Popper: Philosophy, politics, and scientific method

Book Szostak, Walter; (1997)
Teleologie des Lebendigen: Zu K. Poppers und H. Jonas' Philosophie des Geistes

Article Cat, Jordi; (1995)
The Popper-Neurath debate and Neurath's attack on scientific method

Article Tibbetts, Paul; (1980)
The subjective element in scientific discovery: Popper versus “traditional epistemology”

Article Rothbart, Daniel; (1980)
Popper against inductivism

Book (1995)
The problem of rationality in science and its philosophy: On Popper vs. Polanyi. The Polish Conferences, 1988-89

Book Levinson, Paul; (1982)
In pursuit of truth: Essays on the philosophy of Karl Popper on the occasion of his 80th birthday. With forewords by Isaac Asimov and Helmut Schmidt

Article Malherbe, Jean-François; (1980)
La méthode des conjectures et réfutations: Equisse introductive à la philosophie des sciences de Karl Popper

Article Milhau, Jacques; (1979)
Popper ou la vérité en question

Article Webley, Paul; (1985)
The structure of mind: Piaget, Popper, and the methodology of scientific research programs

Book Wallner, Friedrich; (1985)
Karl Popper--Philosophie und Wissenschaft: Beiträge zum Popper-Kolloquium

Article Savary, Claude; (1995)
Discovery and its logic: Popper and the “friends of discovery”

Book Munz, Peter; (1985)
Our knowledge of the growth of knowledge: Popper or Wittgenstein?

Book Jacobs, Struan; (1991)
Science and British liberalism: Locke, Bentham, Mill, and Popper

Book O'Hear, Anthony; (1995)
Karl Popper: Philosophy and problems