12. Correspondence with Luke Finlay and David Lindgren and Gulf of Mexico Treaty and API reports on it. Elliot Richardson Corresp. Bob Roberts, Box: 26, Folder: 25. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/149660 Accessed April 19, 2024.