2 Paul A. Samuelson “Economics” Textbooks, 4th (1958) & 9th (1973) Editions

Economics: An Introductory Analysis By Paul A Samuelson (1958) McGraw-Hill HC

ECONOMICS AN INTRODUCTORY ANALYSIS 1961 Paul A Samuelson Hardcover TextBook

1955 Economics An Introductory Analysis McGraw-Hill Book Co. Hardback Textbook

McGraw-Hill Economics: Principles, Problems, and Policies 12th Ed HC 1993

1961 ECONOMICS AN INTRODUCTORY ANALYSIS By Paul A Samuelson Fifth Edition

Applied Calculus for Business Economics Life Sciences 4th Ed Barnett Ziegler HC

Economics 4th Ed Hardcover Textbook by David N. Hyman, Irwin/McGraw-Hill 1996