1. Armstrong, D. M. (1978a). Universals and scientific realism, vol I: Nominalism and realism. Cambridge: Cambridge University Press.
2. Armstrong, D. M. (1978b). Universals and scientific realism, vol II: A theory of universals. Cambridge: Cambridge University Press.
3. Armstrong, D. M. (1983). What is a law of nature?. Cambridge: Cambridge University Press.
4. Armstrong, D. M. (1997). A world of states of affairs. Cambridge: Cambridge University Press.
5. Armstrong, D. M. (2004). How do particulars stand to universals? Oxford Studies in Metaphysics, 1, 139–154.