Columbia subject headings:
Falkenstein, Counts of.
Germany--Genealogy.
Germany--History--Hohenstaufen, 1138-1254.
Harvard subject headings:
Falkenstein, Counts of.
Germany--Genealogy.
Germany--History--Hohenstaufen, 1138-1254.
Princeton subject headings:
Falkenstein, Counts of.
Germany--Genealogy.
Germany--History--Hohenstaufen, 1138-1254.