7. Petroleum Prospects Corresp. w/ Ronald and John Moody on Prep. of paper for AAPG and Calgary presentations, Box: 83, Folder: 24. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/151420 Accessed November 24, 2024.