A handbook for office workers / James L. Clark, Lyn R. Clark. HOW 3 Clark, James Leland. 1929- Clark, Lyn. Commercial correspondence Handbooks, manuals, etc. 651 CLH Paperback ed. published as: HOW 3. c1982. Includes index. New York : Van Nostrand Reinhold, 1982. 1982. 1982 Text 297 p. ; eng