Illustrator, American Icon, and Public Opinion Theorist: Norman Rockwell in Democracy - Herbst, Susan (Political Communication, 2004)
https://katalog.adlr.link/Record/ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA4MC8xMDU4NDYwMDQ5MDI3MzI0NQ