Ackermann, R. (1976) The Philosophy of Karl Popper , Amherst, MA: University of Massachusetts Press. (A review and positive evaluation of Popper’s philosophy of science.)

Ackermann, R. (1993) A Philosopher’s Apprentice, Amsterdam: Rodopi. (An idiosyncratic reminiscence of studying with Popper.)

Albert, H. (1985) Treatise on Critical Reason , Princeton, NJ: Princeton University Press. (Critical rationalism as expounded by a leading German Popperian.)

Andersson, G. (1994) Kuhn’s, Lakatos’s, and Feyerabend’s Criticism of Critical Rationalism, Leiden: E.J. Brill. (Critical rationalism defended against its major critics.)

Bartley, W.W., III (1962) The Retreat to Commitment, New York: Knopf. (An influential attempt to improve upon Popper’s critical rationalism.)

Bartley, W.W., III (1976–82) ‘Critical Study: The Philosophy of Karl Popper: Parts I, II and III’, Philosophia 6: 463–94; 7: 676–716; 12: 121–221. (A sympathetic critical essay on the Schilpp volume (1974).)

Berkson, W. and Wettersten, J. (1984) Learning from Error , La Salle, IL: Open Court. (An investigation into the origin of Popper’s ideas in his early psychological researches.)

Bunge, M. (ed.) (1964) The Critical Approach to Science and Philosophy , New York: Free Press. (The first collection of essays discussing Popper’s ideas.)

Burke, T.E. (1983) The Philosophy of Popper , Manchester: Manchester University Press. (Critical commentary on a few selected topics. Popper is said to have set the agenda in a number of fields. Wittgenstein gets the worse of some comparative discussions.)

Gellner, E. (1985) ‘Positivism Against Hegelianism’, in Relativism and the Social Sciences, Cambridge University Press. (A robust critical review of the metaphysical issues between Popper and his idealist critics.)

Hacohen, M.H. (1993) ‘The Making of the Open Society: Karl Popper, Philosophy and Politics in Interwar Vienna’, unpublished Ph.D. dissertation, Columbia University. (A lengthy attempt to relate Popper’s work to the Viennese context.)

Hattiangadi, J.N. (1978–9) ‘The Structure of Problems, Parts I and II’, in Philosophy of the Social Sciences, vol. 8, 345–65; vol. 9, 49–76. (Argues that solving problems is a sufficient aim for science and that the history of science is lines of debate.)

Jarvie, I.C. (1972) Concepts and Society, London: Routledge. (A Popperian philosophy of the social.)

Jarvie, I.C. and Shearmur, J. (eds) (1996–7) Philosophy of the Social Sciences, special issues, 26 (4) and 27 (1). (In celebration of the 50th anniversary of the publication of The Open Society and its Enemies containing eight papers on the origins, impact and contemporary relevance of Popper’s great book.)

Johansson, I. (1975) A Critique of Karl Popper’s Methodology , Stockholm: Akademiforlaget. (A vigorous assault on Popper’s methodology.)

Leblanc, H. (1989) ‘Popper’s Formal Contributions to Probability Theory’, in Perspectives on Psychologism, The Hague: Nijhoff, 341–67. (An important evaluation of Popper’s technical contribution.)

Levinson, P. (ed.) (1982) In Pursuit of Truth, Atlantic Highlands, NJ: Humanities. (A second collective volume in Popper’s honour.)

Magee, B. (1973) Popper, London: Fontana/Collins. (The first comprehensive exposition for the general reader.)

Miller, D. (1994) Critical Rationalism: Restatement and Defence , La Salle, IL: Open Court. (Sharp and forceful, including discussion of critical issues surrounding truth and probability.)

Munz, P. (1985) Our Knowledge of the Growth of Knowledge, London: Routledge. (Wittgenstein’s theory of knowledge is criticized as relativist, Popper’s evolutionary view is defended.)

O’Hear, A. (1980) Karl Popper, London: Routledge. (Critical account that treats Popper timelessly and within the received framework of academic philosophy and, unsurprisingly, vindicates Wittgenstein.)

O’Hear, A. (ed.) (1995) Karl Popper: Philosophy and Problems, Cambridge: Cambridge University Press. (Fifteen Royal Institute of Philosophy lectures that range widely over Popper’s work.)

Pralong, S. and Jarvie, I.C. (eds) (1997) Popper’s Open Society After 50 Years, London: Routledge. (The proceedings of a Prague conference originally organized by Ernest Gellner, to assess Popper’s work in the context of the opening up of former Iron Curtain countries.)

Radnitzky, G. (1968) Contemporary Schools of Metascience , Goteborg: Akademiforlaget. (A survey of the field from a Popperian ‘criticist’ perspective.)

Schroeder-Heister, P. (1984) ‘Popper’s Theory of Deductive Inference and the Concept of a Logical Constant’, History and Philosophy of Logic 5: 79–110. (Reconstructs Popper’s ideas on logic so as to take account of criticism.)

Simkin, C. (1993) Popper’s Views on Natural and Social Science, Leiden: Brill. (An accurate and mildly critical account by a colleague from the New Zealand days.)

Stove, D. (1981) Popper and After. Four Modern Irrationalists, Oxford: Pergamon. (A scathing, if less than persuasive, attack.)

Wettersten, J. (1992) The Roots of Critical Rationalism, Amsterdam: Rodopi. (Argues that tensions in Popper’s work and among his followers go back to the philosophical and psychological traditions he was attempting to reconcile.)

Williams, D.E. (1989) Truth, Hope and Power: The Thought of Karl Popper , Toronto, Ont.: University of Toronto Press. (An ambitious commentary that perhaps overreaches its grasp.)

Wisdom, J.O. (1952) Foundations of Inference in Natural Science, London: Methuen. (One of the earliest and best expositions of Popper’s ideas in English.)