Nazi Tunnels

The United States Strategic Bombing Survey Summary Report (European War). Washington, D.C.: War Department. U.S. Strategic Bombing Survey. Office of the Chairman. 11/3/1944-10/8/1947

United States Government Printing Office

• Title: The United States Strategic Bombing Survey Summary Report (European War). Washington, D.C.: War Department. U.S. Strategic Bombing Survey. Office of the Chairman. 11/3/1944-10/8/1947
• Author: United States Government Printing Office
• Archive: The U.S. National Archives and Records Administration
• File: USSBS-Underground-01-1947.pdf