Architectural drawings, specifications, manuscripts, printed materials, photographs, ephemera, collected by Hitchcock, and relating to the work of architects Henry Hobson Richardson and Frank Lloyd Wright, including a letter, 1940, from Wright to Hitchcock suggesting the writing of IN THE NATURE OF MATERIALS; the architectural firm Shepley, Rutan, and Coolidge; furniture designer Charles Rennie Macintosh; and miscellaneous and unidentified architects dating from the sixteenth century to the twentieth century, with the bulk dating from the nineteenth century.

This collection contains professional and personal writings, published papers, correspondence, photographs, architectural records, student work, and research materials related to the academic and architectural practice of Talbot Faulkner Hamlin.