The United States in the 20th century
By: by Louis M. Hacker and Helene Zahler.
Contributors: Zahler, Helene Sara, 1911- joint author.
Publisher: Appleton-Century-Crofts
Published: 1952
Place of publication: New York
Language: eng
Number of pages: 695
Subjects: United States -- History -- 20th century
Notes: Bibliography: p. 639-678.