Letter writing in action, by Carl F. Braun. Mills, paul English language Rhetoric. Letter writing. PE1483 .B7 1973 808/.066/651 "A group of letters to an industrial organization." "Designed for use with two companion books--Presentation for engineers and industralists and Fair thought and speech." Alhambra, Calif., C. F. Braun, 1973. 1973. 1973 Text 151 p. eng