1 Albertus, Magnus, (1890), Opera Ad Logicam Pertinentia, in Opera Omnia, ed. A. Borgnet, Vol. I, Paris: Vivès (Venice 1632 and Lyons 1651 were consulted).

2 Alexander, of Aphrodisias, (1883), Alexandri Aphrodisiensis in Aristotelis analyticorum priorum librum I commentarium, ed. M. Wallies, in Commentaria in Aristotelem graeca Vol. 2.1, Berlin: Georg Reimer.

3 Alexander, of Aphrodisias, (1991), On Aristotle’s Prior Analytics I: 1-7, trans. & comm. by Barnes, J.; Bobzien, S.; Flannery, K.; Ierodiakonou, K., London: Duckworth.

4 Alexander, of Aphrodisias, (1999), On Aristotle’s Prior Analytics I.8-13, trans. & comm. by Mueller, I.; Gould, J., Ithaca: Cornell University Press.

5 Avicenna Al-Qīyās (Syllogism), ed. Zayid, S.; Madkour, I., Cairo: al-Matba“a I-Amiriyya, 1964. (Volume I, Part 4 of al-Shifa’)

6 Boethius, M. S. De Hypotheticis Syllogismis, in Opera Omnia, ed. J.-P. Migne, Patrologia Latina, Vol. 64, Paris, 1891.

7 Dambska, F., (1978), “Brentano et la pensée philosophique en Pologne: Casimir Twardowski et son école”, Grazer philosophischen Studien 5: 117-129.

8 Herodotus Historiae.

9 Henry, D. P., (1958), Medieval Logic and Metaphysics, London: Hutchinson. Kahn, C., 1976, “Why Existence Does not Emerge as a Distinct Concept in Greek Philosophy”, Archiv für Geschichte der Philosophie, Vol. 58.4; repr. in Morewedge, P. (ed.), 1982, Philosophies of Existence, New York: Fordham University Press.

10 Lax, G., (1509), Tractatus syllogismorum, Paris.

11 Leśniewski, S., (1983), “On the foundations of mathematics”, Topoi 2: 7-52 (English translation of 1928, “O podstawach matematyki”, Przeglad filozoficzny 34: 142-170).

12 Leśniewski, S., (1992), “On the Foundations of Mathematics”, in Surma, S. J.; Srzednicki, J. T.; Barnett, D. I.; Rickey, V. F. (eds.), Collected Works, Kluwer: Dordrecht (English translation of 1928, “O podstawach matematyki”, Przeglad filozoficzny 34: 142-170).

13 Łukasiewicz, J., (1957), Aristotle’s Syllogistic from the Standpoint of Modern Formal Logic, second edition, Oxford: Clarendon Press.

14 Malink, M., (2013), Aristotle’s Modal Syllogistic, Cambridge Mass.: Harvard University Press.

15 Mates, B., (1961), Stoic Logic, Berkeley: University of California Press.

16 Mendell, H., (1998), “Aristotelian Demonstration”, Oxford Studies in Ancient Philosophy 16: 161-225.

17 Mignucci, M., (1961), Gli analitici primi, traduzione, introduzione e commento di Mario Mignucci, Naples: Luigi Loffredo.

18 Mignucci, M., (1991), “Expository Proofs in Aristotle’s Syllogistic”, Oxford Studies in Ancient Philosophy 9: 9-28.

19 Ockham, William, (1974), Summa Logicae, in Opera Philosophica et Theologica, Vol. I, St. Bonaventure, NY.

20 Patzig, G., (1969), Aristotle’s Theory of the Syllogism, Dordrecht: Reidel (J. Barnes’s English translation of Die Aristotelische Syllogistik, 1959).

21 Plato Republic.

22 Poli, R.; Libardi, M., (1999), “Logic, Theory of Science, and Metaphysics according to Stanisław Leśniewski”, Grazer Philosophische Studien 57: 183-219.

23 Rescher, N., (1974), “A New Approach to Aristotle’s Apodeictic Syllogisms”, in Studies in Modality, Oxford: Oxford University Press.

24 Simons, P., (1994), “Discovering Lesniewski”, History and Philosophy of Logic 15: 227-235.

25 Smith, R., (1982), “What Is Aristotelian Ecthesis?”, History and Philosophy of Logic 3: 113-127.

26 Smith, R., (1983), “Completeness of an Ecthetic Syllogistic”, Notre Dame Journal of Formal Logic 24: 224-232.

27 Smith, R.[trans. & comm.], 1989, Aristotle’s Prior Analytics, Indianapolis: Hackett.

28 Smith, R., (1983), “An Ecthetic Syllogistic”, Notre Dame Journal of Formal Logic 24: 224-232.

29 Thom, P., (1981), The Syllogism, Munich: Philosophia Verlag.

30 Thom, P., (1991), “The Two Barbaras”, History and Philosophy of Logic 12: 135-150.

31 Thom, P., (1976), “Ecthesis”, Logique et Analyse 74-6: 299-310.

32 Thom, P., (1993), “Apodeictic Ecthesis”, Notre Dame Journal of Formal Logic 34: 183-208.

33 Thom, P., (1996), The Logic of Essentialism, Dordrecht: Kluwer.