1. da Costa, N.: O Conhecimento Cient´ıfico. 2nd. edn. Discurso Editorial, São Paulo (1999)
2. Lynch, M.: The Nature of Truth: Classic and Contemporary Perspectives. The MIT Press, Cambridge (1992)
3. Kirkham, R.: Theories of Truth: A Critical Introduction. The MIT Press, Cambridge (1992)
4. Kirkham, R.: Coherence theory of truth. In: Routledge Encyclopedia of Philos-ophy. Volume 9., London/New York, Routledge (1998) 470-2
5. Peirce, C.S.: Collected Papers of Charles Sanders Peirce. Harvard University Press, Cambridge, MA (1931-1958) vols. 1-6, Hartshorne, C. and Weiss, P., eds.; vols. 7-8, Burks, A. W., ed.