Blumenthal, Lassor A. Successful business writing how to write effective letters, proposals, résumés, and speeches Lassor A. Blumenthal. - New York Perigee Books [1985], c1976. - 112 p. ill. 28 cm. - The Practical handbook series . Includes index. Bibliography: p. 110-111. ISBN: 0399511466 (pbk.) 5.95 LCCN: 84018970 //r86 Subjects--Topical Terms: Commercial correspondence LC Class. No.: HF5726 / .B58 1985 Dewey Class. No.: 651.7/5