A collection of materials relating to John Griscom Bullock (1854-1939), a photographer and member of the Photo Secession group. These materials include photographs by John G. Bullock of his daughter Marjorie Bullock at various points in her life from birth in 1889 until 1907, as well as written information about Marjorie Bullock and genealogical materials of the Griscom, Bullock, and related families. Includes John Bullock's early writings.