Columbia subject headings:
Mann, Heinrich, 1871-1950--Criticism and interpretation.
Mann, Thomas, 1875-1955--Criticism and interpretation.
Harvard subject headings:
Mann, Heinrich, 1871-1950--Criticism and interpretation.
Mann, Thomas, 1875-1955--Criticism and interpretation.
Princeton subject headings:
Authors, German--20th century--Biography.
Mann, Heinrich, 1871-1950.
Mann, Thomas, 1875-1955.