Author
American Institute of Polish Culture
1
Apenszlak, Jacob, 1894-
1
German Library of Information (New York, N.Y.)
1
Germany. Auswärtiges Amt
1
Mackiewicz, Józef
1
National Committee of Americans of Polish Descent
1
Polish Labor Group (New York, N.Y.)
1
Schadewaldt, Hans, 1894-
1
United States. Congress. House. Committee on House Administration
1
United States. Congress. House. Select Committee to Conduct an Investigation and Study of the Facts, Evidence, and Circumstances on the Katyn Forest Massacre
1