A pathologist and researcher at the Rockefeller Institute of Medical Research, 1914-1922, Harold Lindsay Amoss (1886-1956) specialized in research on infectious diseases ranging from poliomyelitis to meningitis, erysipelas, brucellosis, and encephalitis. The Amoss Papers are comprised primarily of materials relating to Harold Amoss' medical service in the United States Army during the First World War (1918-1919), to his research at the Rockefeller Institute of Medical Research, 1920-1922, and to his efforts to develop vaccines for meningitis and poliomyelitis.