United States. Office of Civilian Defense.
Films for Defense : Series II, Fire Protection Films, OCD Publication 3620-II ,
Washington, D.C.:
The Office|U.S. G.P.O.|Washington, D.C. : The Office : U.S.G.P.O., [1942],
December 1941, https://fraser.stlouisfed.org/title/9565,
accessed on December 14, 2025.