Oscar Bischoff's Hides, Tallow, Furs, Wool, and Leather Shop, 66 Kansas Avenue, approximately 1885, Box: 2b, Folder: 75. George Allen photograph collection, RH PH 137. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/428921 Accessed November 14, 2024.