Columbia subject headings:
Harvard subject headings:
Nobility--Early works to 1800.
Orders of knighthood and chivalry--Early works to 1800.
Titles of honor and nobility--Early works to 1800.
Princeton subject headings:
Nobility--Europe--Early works to 1800.
Orders of knighthood and chivalry--Europe--Early works to 1800.
Titles of honor and nobility--Europe--Early works to 1800.