Institute for American Democracy, Book Cover, Superman Cartoon, 1949 May 11, id121553, Box: 118, Folder: 9, Item: 8. Jewish Federation Council of Greater Los Angeles, Community Relations Committee Collection, Part 3, URB-CRC3. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/96139 Accessed June 19, 2026.