To [probably Rose Ruth Morgan] from Berta (5 letters), June 19 1892, September 15 1892, April 1 1893, August 1 1899, 1 undated, Box: 4, Folder: 20. Personal Papers of Rose Ruth Morgan and Family, PP 567. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/197181 Accessed May 27, 2024.