Columbia subject headings:
Helmstatt, Counts of--Archives--Catalogs.
Kraichgau (Germany)--History--Sources.
Nobility--Germany--Kraichgau--History--Sources.
Harvard subject headings:
Family archives--Germany--Catalogs.
Helmstatt, Counts of--Archives.
Nobility--Germany--History--Sources.
Princeton subject headings:
Helmstatt, Counts of--Archives--Catalogs.
Kraichgau (Germany)--History--Sources.
Nobility--Germany--Kraichgau--History--Sources.