Series II. Business Papers is divided into five subseries. Subseries A. Publisher Correspondence (1936-1971) contains correspondence, contracts, press clippings, and photographs from Chamberlain's publisher, Walter Frese, at Hastings House. It is arranged chronologically. Subseries B. Book Contracts, Copyrights (1937-1979) contains correspondence, contracts, and copyright registrations for many books of Samuel Chamberlain, Narcissa G. Chamberlain, and Narcisse Chamberlain. It is arranged alphabetically. Subseries C. Personal Business Files (1896-1984) contains Chamberlain's home office files. They consist of personal correspondence, correspondence about his work, photographs, newspaper and magazine article clippings, and awards. It is arranged alphabetically, as Chamberlain had arranged it in his office. Subseries D. Index to Print Subjects contains a typed index to the subjects which Chamberlain etched. Subseries E. Photograph Albums consists of pages from large format photo albums which contain photographs Chamberlain took in Europe while in the military.