Columbia subject headings:
Mann, Thomas, 1875-1955--Exhibitions.
Mann, Thomas, 1875-1955--Travel--United States--Exhibitions.
Harvard subject headings:
Mann, Thomas, 1875-1955--Exhibitions.
Mann, Thomas, 1875-1955--Travel--United States--Exhibitions.
Princeton subject headings:
Mann, Thomas, 1875-1955--Exhibitions.
Mann, Thomas, 1875-1955--Travel--United States--Exhibitions.