Correspondence (1937-1965); personal papers (1950-1952); photographs of Harriton and his work (1918-1962); manuscripts by Harriton on art and artists (1949-1964); scrapbooks (1915-1962); published material (1922-1964); and biographical material.

Correspondence (1933-1964); artwork reproductions; and printed material, including articles and clippings (1927-1964), and exhibition catalogs(1939-1965).

Papers of the Romanian American artist, novelist, short story writer (1881-1960). Correspondence, diaries, drawings, manuscripts, photographs, sketches, memorabilia; includes some material relating to Neagoe's wife, painter and muralist Anna Neagoe.