Columbia subject headings:
Private libraries--Germany--Catalogs.
Private libraries--Russia (Federation)--Catalogs.
Yorck von Wartenburg Family--Private libraries--Catalogs.
Harvard subject headings:
Private libraries--Germany--Catalogs.
Private libraries--Russia (Federation)--Catalogs.
Yorck von Wartenburg Family--Private libraries--Catalogs.
Princeton subject headings:
Catalogs.
Private libraries--Germany--Catalogs.
Private libraries--Russia (Federation)--Catalogs.
Yorck von Wartenburg, Hans David Ludwig, Graf, 1759-1830--Catalogs.