Abram and Lydia Heinrichs Siemens wedding portrait, no studio name, circa late 1920s, Box: 3, Folder: 67. Voth, Unruh, and Banman families collection, RH MS 1455. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/376214 Accessed January 17, 2025.