Columbia subject headings:
Harvard subject headings:
Courland (Duchy)--History--19th century.
Zuccalmaglio, Franziska von--Correspondence.
Zuccalmaglio, Franziska von.
Princeton subject headings:
Courland (Duchy)--History--19th century.
Zuccalmaglio, Franziska von--Correspondence.
Zuccalmaglio, Franziska von.