23. Extra negatives, glossy prints, and Xeroxes of figs. for Petroleum Resources of the Deep Offshore--not used in mailing to Ira Lutsey, Nov. 23, 1978, Box: 83, Folder: 8. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/151404 Accessed November 24, 2024.