Photograph of two researchers with baseball hats examining something. Their equipment lies on the ground between them. Behind them is a stretch of rocky landscape.

Photograph of the landscape of South Africa. There is full sun setting and a bird flying across the sky.

Letter from Margaret Winn to Ann H. Engelhart explaining why the San Antonio chapter of The Links, Inc. will not participate in a conference hosted by the World Affairs Council of San Antonio. Although the chapter believes the council serves a critical purpose in focusing on international affairs, it regrets that it cannot give its full support to any discussion of international current affairs that does not address South Africa's policy of apartheid.

Interview with Dr. James Samuels, an investment analyst from Nashville, Tennessee. In the interview, Dr. Samuels discusses the present investment climate in South Africa.

Interview with David Leeson, staff photographer for the Dallas Morning News. In the interview, Leeson discusses his recent assignment in South Africa.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Second-round leader Lee Trevino follows through on a shot in Friday's Sun City Million Dollar Golf Challenge in South Africa."

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.

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.