Items in this subseries consist of correspondents between Riegel and and individual reviewers the Dupont Awards. These letters consist of recommended radio stations that people felt deserved the award for 1963.

Riegel's notes from the Inter-war period focus on various journalism related topics, including: Telegraph cable, the politics of international press, the New Deal and Advertising, and other personal notes about his work.

Items in this subseries consist of pamphlets and brochures related to Riegel's travels throughout Europe. some publications of note include lodging brochures from Bulgaria and Romania and hungarian recreational brochures.

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 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 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 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.

The Public Opinion Quarterly organized its articles into specific sections. Movies was one of those sections. Items in this subseries consist primarily of correspondence about articles that would fall under the movies section of the journal.