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

Items in this subseries related to the Spanish Civil War primarily consist of propaganda leaflets and publications on both sides of the conflict, highlighting the opposing sides' atrocities and how they will ensure the values and freedom of the Spanish people.

Items in this subseries were the personal affects of Oscar Riegel in relation to his post-war European travel. Some items of note include his travel diary and a diary by "Dee", and press membership identification.

This subseries consists of materials related to every participant in Riegel's study of Belgium's cultural exchange program. Each person's listing has some responses to questions and occasionally some correspondence.

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 notes that Riegel took on various subjects related to his autobiography.

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.

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