Columbia subject headings:
Nobility--Germany--Lübeck.
Nobility--Italy--Venice.
Harvard subject headings:
Lübeck (Germany)--Social life and customs.
Lübeck (Germany)--History.
Nobility--Germany--Lübeck.
Nobility--Italy--Venice.
Venice (Italy)--History--1508-1797.
Venice (Italy)--Social life and customs.
Princeton subject headings:
Europe--Social conditions--17th century.
Lübeck (Germany)--Social conditions--17th century.
Social structure--Europe--17th century.
Sociology, Urban--Germany--17th century.
Sociology, Urban--Italy--17th century.
Venice (Italy)--Social conditions--17th century.