The fifth column conspiracy in America authentic map and directory. A map of communist, Nazi, and Fascist headquarters in the United States, compiled and edited by Joseph P. Kamp and A. Cloyd Gill in 1941.
Detail of the map key from The Fifth Column Conspiracy in America, Authentic Map and Directory. A map of communist, Nazi, and Fascist headquarters in the United States, compiled and edited by Joseph P. Kamp and A. Cloyd Gill in 1941.