Columbia subject headings:
Aristocracy (Social class)--Germany--Exhibitions.
Forschungsbibliothek Gotha.
Libraries--Germany--Gotha--History--Catalogs.
Manuscripts--Germany--Gotha--Catalogs.
Rare books--Germany--Gotha--Exhibitions.
Harvard subject headings:
Libraries--Germany--Gotha--Catalogs.
Library catalogs--Germany--Gotha.
Manuscripts--Germany--Gotha--Catalogs.
Rare books--Germany--Gotha--Bibliography--Exhibitions.
Universitäts- und Forschungsbibliothek Erfurt/Gotha--Catalogs.
Princeton subject headings: