Correspondence between William Dyck and Helmut Huelsbergen

Correspondence between William Dyck and Helmut Huelsbergen, Box: 7, Folder: 52. Personal Papers of Helmut E. Huelsbergen, PP 555. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/212740 Accessed March 03, 2026.