Item appears in the following exhibition pages
Contract for “The Psycho-Analytic Problem of the War”
Freud, Sigmund, 1856-1939
Carnegie Endowment for International Peace
Rare Book & Manuscript Library, Columbia University
“Contract for “The Psycho-Analytic Problem of the War”,” Columbia University Libraries Online Exhibitions, accessed December 3, 2023, https://exhibitions.library.columbia.edu/exhibits/show/jewels/item/11261.