Columbia subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Dauthendey, Max, 1867-1918--Correspondence.
Löwenthal, Siegfried--Correspondence.
Harvard subject headings:
Authors, German--19th century--Correspondence
Authors, German--20th century--Correspondence
Dauthendey, Max, 1867-1918--Correspondence.
Löwenthal, Siegfried.
Princeton subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Dauthendey, Max, 1867-1918--Correspondence.
Löwenthal, Siegfried.
Medical students--Germany--Correspondence.