W1/2 SE1/4 18-15-25 - Bergesen Mabel M. Core Estate - Escrow, Box: 56, Folder: 23. Land title abstracts for Johnson County, Kansas, RH MS 536. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/272154 Accessed January 17, 2025.