Beckman, Theodore N., 1895-1973. Wholesaling : principles and practice Theodore N. Beckman, Nathanael H. Engle - Revised ed. - New York : Ronald Press Co., c 1951 - xvi, 746 p. : ill. ; 24 cm. Include index Subjects--Topical Terms: Wholesale trade.Wholesale trade--United States. Dewey Class. No.: 658.86 / BEW 1951