Giovanni Villani — 15th century, beginning; Italian

Guido da Pisa — 15th century; Italian

Jacobus de Cessolis — 15th century; Italian

Domenico Cavalca, Ps.-Eusebius, etc. — 15th century; Italian

Treatise on natural science — 14th century, end; Italian, Venice

Domenico Cavalca — 1476; Italian, North-east

Domenico Cavalca — 15th century; Italian

Domenico Cavalca — 1445; Italian

Domenico Cavalca — 15th century; Italian

Tommaso Gozzadini, etc. — 1469; Italian

Domenico Cavalca — 15th century; Italian

Leonardo Bruni — 1459; Italian

Sabello Micheli — 15th century; Italian

Jerome, etc. — 15th century; Italian

'Maestro Filippo' of Pistoia, Giovanni Battista Bracciolini, etc. — 15th century, end and 16th century, beginning; Italian

Tractato de la natura degli uccelli — 15th century, middle; Italian

Jacopo di Poggio Bracciolini — 15th century, second half; Italian

Andrea da Barberino — 15th century, beginning; Italian

Boccaccio — 15th century; Italian

Egidio Colonna — 1334; additions, 14th century, end; Italian, Bologna or Venice (?)