Huffman, Harry. Arithmetic for business and everyday use [by] Harry Huffman, Ruth M. Twiss [and] Leslie J. Whale. - New York Gregg Pub. Division, McGraw-Hill [1956] - 502 p. illus. LCCN: 55008901 /L Subjects--Topical Terms: Arithmetic--1901- LC Class. No.: QA106 / .H8 Dewey Class. No.: 511