The Barry Miles Papers contains correspondence, manuscripts, photographs, and printed materials concerned with Miles' literary activities in the London counterculture. Included are letters and manuscripts from William S. Burroughs and Allen Ginsberg, among numerous others. This collection also includes material used by Miles in the research and writing of his work Ginsberg: A Biography as well as from his editorship of the annotated edition of Ginsberg's Howl.
The Thomas Parkinson Papers contain correspondence between Parkinson and members of the San Francisco literary scene, such as beat poets Allen Ginsberg, Michael McClure, Gary Snyder, and Philip Whalen. The collection also includes manuscripts written by Parkinson and his friends and associates.