United States. Army. Your metals fight : –on land — on sea –in the air!, poster, 1943; [Washington D.C.]. (https://digital.library.unt.edu/ark:/67531/metadc335/m1/1/: accessed March 4, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.