The Arnold R. Rich Collection spans much of his career at Johns Hopkins. It contains family material, correspondence files, departmental administrative records, unpublished manuscripts, journal reprints, index cards, notes, and slides from Rich's lectures. The family material includes correspondence with Rich's parents and with his wife, as well as a few original poems by his daughter, Adrienne. Correspondents represented in departmental and general correspondence include William Welch, William MacCallum, and Florence Sabin. Articles and reference materials cover subjects such as tuberculosis, jaundice, and congenital diseases.