This collection is mostly made up of secondary research materials, but also includes photocopies of a thematic range of documents, unpublished research, newspapers, clippings, correspondence, and photographs.

The collection includes newspapers, magazines, articles, notes, files for organizations, bylaws, files related to the creation of Gerber/Hart, and some correspondence with prominent scholars like Jonathan Katz and Louie Crew.

The collection includes the journals and diaries of Mertie Clark Hyatt and Jesse Hyatt (Willard Hyatt’s mother and father) from 1909-1958 and letters from 1890s-1940s. The bulk of the collection is made up of journals/diaries, photo albums and various documents created by Willard Hyatt from 1922-1970s. Includes published and unpublished poetry, essays referring to homosexuality and spirituality; often in combination, correspondence, financial papers, scrapbooks, photographs and awards.