0-333-08131-5 The Wharton Econometric Forecasting Model (with MK Evans, 1967) A Textbook of Econometrics (1973) ISBN 0-13-912832-8 The Brookings Model (With Gary
Concise Encyclopedia of Economics(英语:The Concise Encyclopedia of Economics). Library of Economics and Liberty(英语:Library of Economics and Liberty) 2nd (Liberty