The papers consist of correspondence, financial papers, printed material, photographs, and miscellanea of the Blake family of New Haven, Connecticut. Several generations of family members are represented in the papers, including Eli Whitney, Eli Whitney Blake (1795-1886), Eli Whitney Blake (1836-1895), Henry Taylor Blake (1828-1922), and William Phipps Blake (1826-). Additional family members represented in the papers include: Charles Thompson Blake, Edward Foster Blake, James Pierrepont Blake, Dotha Bushnell, George Bushnell, George Ensign Bushnell, Mary Elizabeth Bushnell, and members of the Hazard, MacWhorter, Osborne, and Rice families.