Columbia subject headings:
Authors, German--20th century--Biography--Congresses.
Mann, Thomas, 1875-1955--Congresses.
Harvard subject headings:
Authors, German--20th century--Biography--Congresses
Mann, Thomas, 1875-1955--Congresses.
Princeton subject headings:
Authors, German--20th century--Biography--Congresses.
Mann, Thomas, 1875-1955--Congresses.