Papers, circa 1878-1935, of Darwin D. Martin (1865-1935) of Buffalo, New York, an official of the Larkin Company and an early client of Frank Lloyd Wright. Includes diaries, memorandum books, business and family correspondence, genealogical material and other items concerning Darwin D. Martin, his wife Isabelle Reidpath Martin, and their children Dorothy and Darwin R. Martin. Also included are letters to Martin from his brother William E. Martin of Chicago, 1902-1910, letters to Martin from Elbert Hubbard of the Roycroft Shop, East Aurora, New York, 1893-1912, and letters to Martin from Booker T. Washington, 1901-1915. Some of the correspondence between William E. and Darwin D. Martin concerns the activities of Frank Lloyd Wright. Also included are various memoranda concerning the Darwin D. Martin House designed by Frank Lloyd Wright and a typescript draft of "Romeo and Juliet", 1929(?), which was later incorporated into Frank Lloyd Wright's Autobiography (1932). The bulk of the correspondence between Darwin D. Martin and Frank Lloyd Wright, including additional letters of Darwin D. to William E. Martin, is included in the related "Frank Lloyd Wright Darwin D. Martin Papers" (MS 22.8) available at the University Archives of the State University of New York at Buffalo and in the Special Collections at Stanford University. The University Archives also has architectural plans, contractor's correspondence and photographs of the Darwin D. Martin House and related structures (MS 22).