Tractatus
Tractatus is
- Tractatus Logico-Philosophicus, the work of Ludwig Wittgenstein (EA 1921)
- Tractatus theologico - politicus, a work of Baruch de Spinoza (EA 1670 )
- Tractatus Coislinianus, a manuscript that outlines a theory of comedy in the tradition of Aristotle's Poetics
- Tractatus politicus, a posthumously published Treatise on Political Baruch de Spinoza
- Tractatus de Purgatorio Sancti Patricii, one at 1179-1190 written in Middle Latin prose description of the afterlife experience of the knight Owein
- Tractatus de potestate et primatu Papae, an addendum to the Augsburg Confession by Philipp Melanchthon
- Tractatus Award, Award for philosophical essay of Philosophicum Lech
- Tract ( disambiguation)
- Disambiguation