Part 1 Volume 1 Commentary on the classics and on related secondary literature: what is "truth" in economics, Frank H. Knight; the significance and basic postulates of economic theory - a reply to Professor Knight, T.W. Hutchinson; methodological prescriptions in economics, K.Klappholz and J.Agassi; Chamberlin versus Chicago, G.C.Archibald; Archibald versus Chicago, George J.Stigler; more on Archibald versus Chicago, Milton Friedman; reply to Chicago, G.C.Archibald; Friedman and Machlup on the significance of testing economic assumptions, Jacques Melitz; logic and expediency in economic theorizing, D.V.T. Bear and Daniel Orr; the "F-Twist" and the methodology of Paul Samuelson, Stanley Wong; Friedman's contribution to methodological controversy, Alan Coddington; plausibility in economics, Bart Nooteboom; on the problem of realism in economics, Uskali Maki; an interview with Milton Friedman on methodology, Daniel Hammond; instrumentalism in Schumpeter's economic methodology, Yuichi Shionoya; economic methodology in a nutshell, Daniel M.Hausman. Part 2 (Volume 1) Rationality: irrational behaviour and economic theory, Gary S.Becker; individual rationality, Alan P.Hamlin; why be consistant?, a critical analysis of consistency requirements in choice theory, Robert Sugden; the case for a multiple-utility conception, Amatai Etzioni; a methodological assessment of multiple utility frameworks, Timothy J.Brennan; the nature and scope of rational-choice explanation, Jon Elster; social norms and economic theory, Jon Elster. Part 3 (Volume 2) Estimation, predication and testing: quantitative analysis in economic theory, Wesley C.Mitchell; measurement without theory, Tjalling Koopmans; methodological issues in quantitative economics, Ruteledge Vining and Tjalling Koopmans; testing statistical testing, Deborah Mayo; three econometric methodologies - a critical appraisal, Adrian Pagan; finding a satisfactory empirical model, Mary Morgan; the limits of expertise - if you're so smart, why ain't you rich?, Donald N.McCloskey. Part 4 (Volume 2) Value judgements in economics: types and sources of value-judgements and bias, T.W.Hutchison, positive and normative economics - an analysis of the ideas, Fritz Machlup. Part 5 (Volume 2) The scope and boundary of economics: framing the issues - the economist as imperialist; economics and biology; experimental economics; constitutional economics. Part 6 (Volume 3) Karl Popper: the rationality principle, Karl Popper; Karl Popper and economic methodology - a new look, Douglas W.Hands; comments on D.Wade Hands "Karl Popper and Economic Methodology" - a new look, Mark Blaug; Popper and the LSE economist, Neil de Marchi; clarifying Popper, Bruce J.Caldwell. (Part contents).