Columbia subject headings:
Castracani, Castruccio, 1281-1328--Fiction.
Harvard subject headings:
Castruccio-Castracini, degli Antelminelli, duke of Lucca, 1281-1328.
Princeton subject headings:
Castruccio-Castracini, degli Antelminelli, duke of Lucca, 1281-1328.