Hoover, H. (1952). 40 key questions about our foreign policy: Answered by Herbert Hoover in important addresses and statements delivered between 1941 and 1952. Updegraff Press.

Hoover, Herbert. 40 Key Questions About Our Foreign Policy: Answered by Herbert Hoover in Important Addresses and Statements Delivered Between 1941 and 1952. Updegraff Press, 1952.