A. The Continuing Oil Revolution, An Overview, by Charles A. Heller; B. Our Energy Future, by Melvin A. Conant; C. The Transfer of Petroleum Technology to Developing Countries, by C.A. Heller, Box: 7, Folder: 29. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34197 Accessed June 02, 2024.