Why war? A correspondence between Albert Einstein and Sigmund Freud /
Einstein, Albert,1879-1955.
Freud, Sigmund,1856-1939.
Gilbert, Stuart,1883-1969.
Peace Pledge Union.
International Institute of Intellectual Co-operation.
[London] : Published by the Peace Pledge Union with the permission of the International Institute of Intellectual Co-operation of the League of Nations,
[1939]
War.