Colm, Gerhard, The American economy in 1960 : economic progress in a world of tension / by Gerhard Colm ; with the assistance of Marilyn Young. A National Planning Association staff report. - Washington : National Planning Association, 1952. - ix, 166 p. : ISBN: SSC405 Subjects--Topical Terms: Economic development Dewey Class. No.: 338.97392 / Am