America calling : take your place in civilian defense., poster, 1941; (https://digital.library.unt.edu/ark:/67531/metadc580/m1/1/: accessed May 10, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
America calling : take your place in civilian defense., poster, 1941; (https://digital.library.unt.edu/ark:/67531/metadc580/m1/1/: accessed May 10, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .