Columbia subject headings:
Family archives--Germany--Ortenaukreis.
Nobility--Germany--Ortenaukreis--History--19th century--Sources.
Orders of knighthood and chivalry--Germany--Ortenaukreis--Archival resources.
Ortenau--History--19th century--Sources.
Ortenaukreis (Germany)--History--19th century--Sources.
Harvard subject headings:
Family archives--Germany--Ortenaukreis.
Nobility--Germany--Ortenaukreis--History--19th century--Sources.
Orders of knighthood and chivalry--Germany--Ortenaukreis--Archival resources.
Ortenau--History--19th century--Sources.
Ortenaukreis (Germany)--History--19th century--Sources.
Princeton subject headings: