This primary source comes from the Records of the Office of War Information.
National Archives Identifier:
535710Full Citation: Unattended pushcart advertising 'frankfurts' with sauerkraut or onions, ice-cold soft drinks, and pies for 5 cents on a rain-soaked wharf; ca. 1939; Records of the Office of War Information, Record Group 208. [Online Version, https://www.docsteach.org/documents/document/unattended-pushcart-advertising-frankfurts-with-sauerkraut-or-onions-icecold-soft-drinks-and-pies-for-5-cents-on-a-rainsoaked-wharf, May 9, 2024]