Columbia subject headings:
Authors, German--19th century--Correspondence.
Diplomats--Germany--Correspondence.
Journalists--Germany--Correspondence.
Lindau, Rudolf, 1829-1910--Correspondence.
Harvard subject headings:
Authors, German--19th century--Correspondence
Diplomats--Germany--Correspondence.
Journalists--Germany--Correspondence.
Lindau, Rudolf, 1829-1910--Correspondence.
Princeton subject headings:
Authors, German--19th century--Correspondence.
Authors, German--20th century--Correspondence.
Diplomats--19th century--Correspondence.
Diplomats--20th century--Correspondence.
Lindau, Rudolf, 1829-1910--Correspondence.