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