Interview with William Tucker, a business executive from Boston, regarding his experiences working for Caltex Petroleum Corporation, their refinery construction and expansion during World War II and after the war, the oil industry, and Caltex in India, Australia, Germany, Japan, Korea, and South Africa.

Report issued by the Bureau of Mines over production of oil-shale facilities in South Africa. The deposits of oil-shales, and torbanites are described. The operations at the production facilities are also presented. This report includes tables, maps, illustrations, and photographs.

Interview with Darwin "Mac" McMillan, a long-term employee of Caltex from California, discussing his background, employment with Texaco and Standard Oil, the history of Caltex and his work as an executive there, his various assignment experiences in China the Philippines, Germany, India, and South Africa, and the oil market.

Personal memoirs of Ann van Wynen Tomas about her time in the U.S. Foreign Service during World War II, serving in South Africa and later at the Dutch Government in Exile, in London.