Columbia subject headings:
Harvard subject headings:
Conradin, Duke of Swabia, 1252-1268.
Naples (Kingdom)--History--1016-1268.
Nobility--Germany--Swabia--Biography.
Swabia (Germany)--History.
Princeton subject headings:
Conradin, Duke of Swabia, 1252-1268.
Naples (Kingdom)--History--1016-1268.
Nobility--Germany--Swabia--Biography.
Swabia (Germany)--History.