Sheff, Alexander L. Bookkeeping made easy / Alexander L. Sheff - Dolphin books edition - Garden City, N.Y. : Doubleday, c1939 [printing 1952,1955, 1958, 1960,1963 ]. - x, 310 p. : ill. ; 21 cm. Subjects--Topical Terms: Bookkeeping. Dewey Class. No.: 657.2 / SHB 1963