1. K. Ajdukiewicz, Die syntaktische Konnexität. Studia Philosophica 1, 1–27 (1935)
2. A. Arnauld, P. Nicole, La Logique, ou l’art de penser (Iaen Guignart/Guillame Desprez, Paris, 1662/1683). Critical edition: Vrin, Paris (1981)
3. J. Barnes (ed.), The Complete Works of Aristotle. Revised Oxford Translations (Princeton University Press, Princeton, 1984)
4. J. Barnes, Porphyry. Introduction. Translated with an Introduction and Commentary. Clarendon Later Ancient Philosophers (Oxford University Press, Oxford, 2003)
5. K. Brockhaus, Konstitution. III. Neuzeit, in Historisches Wörterbuch der Philosophie, ed. by K. Gründer, et al., volume 4 (Schwabe, Basel, 1976), pp. 997–1004