"The Wonder Book of Knowledge", 1923

"The Wonder Book of Knowledge", 1923, Box: 5, Folder: 1. Stewart Plein, Collector, Photographs, Ephemera, and Other Material, A&M 3989. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/146515 Accessed November 25, 2024.