1. Aczel P. [1988]: Non-Well-Founded Sets. Stanford: Stanford University Press.
2. Beall J. [2004]: ‘Introduction: At the intersection of truth and falsity’, in [Priest et al., 2004], pp. 1–22.
3. Black M. [1971]: ‘The elusiveness of sets’, Review of Metaphysics 24, 614–636.
4. Blackburn P. de Rijke Maarten Venema Yde [2002]: Modal Logic. Cambridge Tracts in Theoretical Computer Science; 53. Cambridge University Press.
5. The Iterative Conception of Set