Title
- Tractatus de causis1
- Tractatus de censuris ecclesiasticis1
- Tractatus de confessione1
- Tractatus de preparatione ad missas domini seraphici1
- Tractatus de tribus orbis partibus1
- Tractatus de virtutibus1
- Tractatus moralis de virtutibus1
- Trattato dei sette vizi capitali1
- Trattato delle proportioni et proportionalità1
- Travels of Marco Polo1
- Treatise on astrolabes1
- Treatise on evil deeds1
- Treatise on forest law1
- Treatise on marriage1
- Treatise on poverty1
- Treatise on the Decalogue1
- Treatise on the authority of vicars1
- Treatise on the seven deadly sins1
- Treatise on words1
- Treatises on the nobility1