Correspondence, incoming and outgoing (1856-1967); legal and financial records; memorabilia, including address books, clippings, genealogical records, and photographs; and writings, mostly of Roger Burlingame, including manuscript and/or published articles, books, book reviews, diaries, poems, short stories, and speeches. Family members represented include Anson Burlingame (1820-1870), a politician and diplomat; Edward L. Burlingame (1848-1922), author and editor; William Roger Burlingame (1889-1967), author, biographer, and novelist; and his wife, Angeline Whiton (d. 1967), a literary agent, known professionally as Ann Watkins. Notable correspondents include authors, poets, artists, etc.