This primary source comes from the Records of the National Youth Administration.
National Archives Identifier:
532266Full Citation: Technical High School, Oakland, California. High School Youth. Lunch hour; 5/4/1940; Records of the National Youth Administration, Record Group 119. [Online Version, https://docsteach.org/documents/document/technical-high-school-oakland-california-high-school-youth-lunch-hour, May 19, 2024]