Economics: Principles and Policy, Thomson South-Western (Harcourt Brace, Dryden Press), First edition, 1979; Second edition, 1982; Third edition, 1985; Fourth edition, 1988; Fifth edition, 1991; Sixth edition, 1994; Seventh edition, 1997; Eighth edition, 2000; Ninth edition, 2003; Tenth edition, 2006; Eleventh edition, 2009; Twelfth edition, 2011; Thirteenth edition, 2016; Fouteenth edition, 2020 (with William J. Baumol, John L. Solow); also Canadian, Australian, and Japanese editions.

Fourteenth edition, 2016

Thirteenth edition, 2016

Twelfth edition, 2011

Eleventh edition, 2009

Tenth edition, 2006

Ninth edition, 2003

Eighth edition, 2000

Seventh edition, 1997

Sixth edition, 1994

Fifth edition, 1991

Fourth edition, 1988

Third edition, 1985

Second edition, 1982

First edition, 1979