Bradford, Ernest S. 1877- Marketing research : how to analyze products, markets, and methods of distribution / Ernest S. Bradford - 1st ed. - New York : McGraw-Hill, c1951. - xii, 379 p. : illus., maps. ; 24 cm. Includes bibliographies and index. Subjects--Topical Terms: Marketing research. Dewey Class. No.: 658.8072 / BRM 1951