Columbia subject headings:
Authors, German--20th century--Biography.
Greve, Ludwig--Correspondence.
Greve, Ludwig.
Jews--Germany--Biography.
Harvard subject headings:
Authors, German--20th century--Biography
Greve, Ludwig--Correspondence.
Greve, Ludwig.
Jews--Germany--Biography.
Princeton subject headings:
Authors, German--Biography.
Authors, German--Correspondence.
Greve, Ludwig--Correspondence.
Greve, Ludwig.