Columbia subject headings:
Harvard subject headings:
Authors, German--19th century--Correspondence
Reventlow, Franziska, Gräfin zu, 1871-1918--Correspondence.
Suchocki, Bohdan von--Correspondence.
Princeton subject headings:
Authors, German--20th century--Correspondence.
Reventlow, Franziska, Gräfin zu, 1871-1918--Correspondence.
Suchocki, Bohdan von, 1863-approximately 1955--Correspondence.