Credit and collection management / William J. Shultz and Hedwig Reinhardt. Shultz, William J. (William John) 1902-1970. Reinhardt, Hedwig 1906- joint author. Credit. Collecting of accounts. HF5566 .S5 1954 658.882 SHC New York : Prentice-Hall, 1954. 1954. 1954 Text xxiii, 696 p. : eng