Communicating through letters and reports / J. H. Menning and C. W. Wilkinson. With the assistance of Dorothy Colby Menning. Menning, J. H. (Jack Harwood), 1919- Wilkinson, C. W. (Clyde Winfield), 1910- joint author. Commercial correspondence. 651.75 MEC includes index. Homewood, Ill. : R. D. Irwin, 1963. 1963. 1963 Text xi, 686 p. ; eng