Items in this sub-series consist of materials related to the Dupont Awards dinner including photographs, ivitations, and RSVP's.

Press releases in this subseries address a variety of international and foreign relations topics such as the British Palestine mandate, the self-determination of the Saar Region, both pro and anti German perspectives on the national socialist government, and those who benefit from war.

Items in this subseries consist of the receipts and charges Riegel kept from his travels in europe.

Correspondents with Riegel in regards to his Belgium study often focused on the study's contents, findings, and were curious about its implications. Riegel corresponded with approximately 70 different individuals and wrote often to his family while in Belgium.

Items in this subseries consist of letters between Riegel and over 550 correspondents related to Washington and Lee's Journalism program. Letters range in theme from inquiries about the program, job openings for journalism graudates, the Associated Press, the British Library, the American Association of Schools with Departments in Journalism, and others.

Items in this subseries consist of various drafts on sections considered in the development of Riegel's Memoir. Topics range from his trip to the Virgin Islands, to his view of religion, and his year in Hungary after the conclusion of World War II.

Items in this series pertain to Riegel's personal correspondence between himself and colleagues, friends, and family. Some material is related to or mentions his work, but the majority of the material is about his or other people's personal lives, opinions, and thoughts around world events.

Items in this subseries consist of reports by government and independent organizations about communication satellites. The reports vary in focus, ranging from technical data to impending impact of satellites on public life. Items of note include the 1972 Aeronautics and Space Report of the President and the operating agreement between the United States and other nations regarding INTELSAT.