The challenge to isolation : the world crisis of 1937-1940 and American foreign policy /
by William L. Langer and S. Everett Gleason.
- New York : Harper & Row, 1964.
- vol.
- Its : Torchbooks .
Originally published as one volume in 1952.
Includes bibliographical references.
World war, 1939-1945--United States World war, 1939-1945--Dip hist.