1. Weise, C. H. (ed.) 1843, Aristotelis Opera Omnia Quae Extant …, Leipzig
2. Aristotle on Existence
3. 32. Varianten zu Aristoteles Organon
4. Thomason, R. H. 1984, ‘Combinations of Tense and Modality’ = Gabbay/Guenthner (1983/89), II 135–65
5. Tarski, A. 1956/83, Logic, Semantics, Metamathematics: Papers from 1923 to 1938, trans. by J. H. Woodger, 2nd edn, ed. by J. Corcoran, Indianapolis, Ind