Membership Directory and Buyers Guide chamber of commerce of greater Kansas City, Mission Hills squire Nov. 8, 1972, Roster of Consulting Engineers, late 1960s-1970s, Box: 19, Folder: 10. Mayhew family papers, RH MS 634. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/82113 Accessed March 16, 2025.