Howard, Kenneth S. Methods of sales promotion / by Kenneth S. Howard - 1st ed - New York ; London : McGraw-Hill book company inc, 1940 - xii, 273 p.; 21cm. - McGraw-Hill practical business manuals . - McGraw-Hill practical business manuals . Subjects--Topical Terms: Sales personnel Dewey Class. No.: 658.85 / HOM 1940