By Spriegel, William Robert.
New York Prentice-Hall 1952 .
656 p. , First published in 1946 under title: Principles of business organization.

By Lansburgh, Richard Hines.
New York Wiley 1955 .
1 v. , At head of title: Spriegel and Lansburgh. | First ed., 1923, by Richard Lansburgh. 24 cm..

By Lansburgh, Richard Hines.
New York J. Wiley 1947 .
xiii, 656 p. , At head of title: Spriegel and Lansburgh. | First ed., 1923, by Richard Hines Lansburgh. 24 cm..