Langer, William Leonard, 1886-

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.


United States--Foreign relations--1933-1945.

E744 / L35