Kenneth Spencer Research Library Archival Collections
Part of the University of Kansas. Kenneth Spencer Research Library Repository
AAPG-OCS-14 Corresp. w/ Robey Clark, Box: 50, Folder: 27. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library.
AAPG-OCS-14 Corresp. w/ Robey Clark, Box: 50, Folder: 27. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/150536 Accessed December 25, 2025.
