Role (of international oil companies), lectures/papers by William P. Travoulareas, John M. Kelly, McFadzean, and Maurice R. Granville, 1962 - 1976, Box: 14, Folder: 61. Charles Heller papers, RH MS 314. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/490252 Accessed May 06, 2024.