- Koerner, Henry, 1915-1991
- Digital Commonwealth
- Boston Public Library
- U. S. Government Printing Office
Ring of firing guns, each with an Allied flag wrapped around it. U.S. Government Printing Office : 1943--O-527286. OWI poster no. 64. Additional copies may be obtained upon request from the Division of Public Inquiries, Office of War Information, Washington, D. C.
- No known copyright restrictions. No known restrictions on use.