La frottola (XIV-XV sec.) : aspetti della codificazione e proposte esegetiche - Verhulst, Sabine, 1956- (Gent : RUG. Faculteit van de letteren en wijsbegeerte, 1990)
Keywords: Italian poetry -- History and criticism -- To 1400.; Italian poetry -- History and criticism -- 15th century; Nonsense verses, Italian -- History and criticism