Sixtus IV and men of letters - Lee, Egmont (Roma : Edizioni di storia e letteratura, 1978)
English or Latin.
Includes index.
Bibliography: p. [261]-276.
Keywords: Sixtus -- IV, -- Pope, -- 1414-1484.; Learning and scholarship -- History -- Medieval, 500-1500.; Church history -- Middle Ages, 600-1500.; Rome (Italy) -- Intellectual life