Columbia subject headings:
Ermolin, Vasiliĭ Dmitrievich, active 1462-1471--Fiction.
Fieravanti, Aristotele, approximately 1415-approximately 1486--Fiction.
Harvard subject headings:
Ermolin, Vasiliĭ Dmitrievich, active 1462-1471--Fiction.
Fieravanti, Aristotele, 1417?-1486?--Fiction.
Princeton subject headings: