The trend of economics / by Morris Albert Copeland, Sumner Huber Slichter [and others] ... edited, with an introduction, by Rexford Guy Tugwell. Tugwell, Rexford G. (Rexford Guy), 1891-1979. Copeland, Morris A. (Morris Albert), 1895-1989. Economics History. Economics. 330.1 TUT Microfilm. New York, N.Y., Columbia University Libraries, 1995. 1 microfilm reel, 35 mm. Filmed; NEH Project (FMEST); 1995. Master negative: 95-82622-10. No. 10 on a reel of 11 titles. New York : A.A. Knopf, 1924. 1995. 1924. 1924 Text xi, 556 p. : 1 microfilm reel, 35 mm. eng