Columbia subject headings:
Boiardo, Matteo Maria, 1440 or 1441-1494--Correspondence.
Boiardo, Matteo Maria, 1440 or 1441-1494--Criticism and interpretation--History.
Boiardo, Matteo Maria, 1440 or 1441-1494--Sources.
Harvard subject headings:
Boiardo, Matteo Maria, 1440 or 1441-1494--Criticism and interpretation--History.
Boiardo, Matteo Maria, 1440 or 1441-1494--Sources.
Princeton subject headings:
Boiardo, Matteo Maria, 1440 or 1441-1494--Criticism and interpretation--History.
Boiardo, Matteo Maria, 1440 or 1441-1494--Sources.