This collection largely documents Egon Verheyen's research and manuscripts through articles, notes and correspondence. It also contains information about his time as a Robinson Professor at George Mason University.

Series 1 contains correspondence with colleagues and friends about different topics that he was working on or hoped to work on. This series also contains correspondence with institutions that he worked at (except George Mason) and who he worked with to get information from for his works. Newspaper articles and some photographs are interwoven with some of the correspondence. The series is arranged alphabetically then by date.

Series 2 is the largest series in this collection, it contains materials relating to the works done by Egon Verheyen throughout his career. Materials include: copies of research, letters to publishers, research requests, drafts of works, notes, newspaper articles, and some of the finished manuscripts. This series also includes advertisements for lectures and his lecture notes. This series is arranged alphabetically then by date.

Series 3 includes materials relating to Egon Verheyen's time working at George Mason University. This includes correspondence with George Mason colleagues, his time as a Robinson Professor, his time on the CAS Council Task Force and on the Logan Award Committee. It also includes evaluations, course descriptions and his CV. This series also includes materials from his retire party and recognition rewards. This series is arranged alphabetically then by date.

Series 4 contains photographs and illustrations that relate to Verheyen's different projects. Many of the photographs are actually copies of works of art. There are some negatives in this series as well as 2 photographs that Verheyen took of the Gerry Monument. This series is arranged alphabetically then by date.