− | * ''Tractatus'', ed. L.M. de Rijk, 1972. | + | * ''Tractatus'', (also known as ''Summulae logicales'). Critical edition with an introduction by L.M. de Rijk, Assen, 1972. |
− | * ''Syncategoreumata'', edited by L.M. de Rijk with an English translation by Joke Spruyt, 1992. | + | * ''Syncategoreumata'', critical edition with an Introduction and Indexes by L.M. de Rijk, with an English Translation by Joke Spruyt, Leiden/Köln/New York, 1992. |