Series II. John Prince Professional Papers contains appointments, correspondence, case notes, memorandums, legal documents, administrative accounts, and client accounts. The client accounts, miscellaneous correspondence, and many of the legal documents provide background materials relating to legal cases. Additional client accounts may be found in the receipts and account books (Box 2, folder 5 and 6). Prince's clients included members of the Derby, Bowditch, Peabody, Hale, Saltonstall, Ingersoll, and Allen families.