William Welling Papers Correspondence Related to William Welling's “Collector's Guide to Nineteenth Century Photographs, Series 4, Box 2, Folder 27, 91e979f5-bd4c-4a1f-8366-c6e8410dbf55. Special Collections Research Center. https://scrcguides.libraries.wm.edu/repositories/2/digital_objects/2324 Accessed April 18, 2024.