Lady Campbell, 16 Milverton Crescent, Leamington, to Mr. Ritchie, September 29, 1842, Box: 1, Folder: 7. Spottiswoode & Robertson collection, MS 186. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/248802 Accessed December 11, 2024.