Correspondence in the collection includes incoming and outgoing letters from Frederick and Fabi Benedict, Gordon Chadwick, John Geiger (72 letters), Elizabeth Gordon, John and Lu Howe, Eugene Masselink (29 letters), Edgar Tafel, Marcus Weston, and Frank and Olgivanna Wright.

The Personal series includes subseries for documents of record; journals; papers relating to Curtis Besinger's service as a conscientious objector; Japanese culture and architecture; and publications, including manuscripts and correspondence and material related to Besinger's work with House Beautiful.

The private architectural practice series includes correspondence, sketches, and plans, as does the Taliesin Fellowship series. The Fellowship series also includes materials related to Besinger's book Working with Mr. Wright and lists of membership in the Fellowship.

Besinger's teaching materials include memoranda, announcements, etc.; lecture notes and class lists; and faculty annual reports from teaching at the University of Kansas in the School of Architecture.

Photographs include items from the book Working with Mr. Wright, as well as miscellaneous photographs of the Taliesin Fellowship. Miscellaneous maps and plans include unidentified architectural plans by Besinger, plans by other firms and architects, and manuscript topographic maps.

Materials donated by other individuals or later transferred from the KU School of Architecture are in their own series and organized by donor. These materials include correspondence with Besinger, publications, and additional architectural drawings and related items from Besinger's work. While the bulk of the collection is located at MS 241, these items are located at MS 348. Oversize materials for the collection are at MS Qa27, MS S10, and MS S11.