Columbia subject headings:
Ewers, Ludwig.
Mann, Heinrich, 1871-1950--Correspondence.
Harvard subject headings:
Authors, German--20th century--Correspondence
Ewers, Ludwig, 1870---Correspondence.
Mann, Heinrich, 1871-1950--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Ewers, Ludwig, 1870---Correspondence.
Mann, Heinrich, 1871-1950--Correspondence.