Steps Toward a Constructive Nominalism
- Article written by Quine and Nelson Goodman, published in 1947 in the Journal of Symbolic Logic.
- http://www.ditext.com/quine/stcn.html

Verification Theory and Reductionism
- A 1951 article by Quine in defense of the empiricist foundation of mathematics.
- http://www.marxists.org/reference/subject/philosophy/works/us/quine.htm

Two Dogmas of Empiricism
- Noted 1951 paper in which Quine attacks the analytic/synthetic distinction. Full text with hyperlinked footnotes, from the Sellars Project at the University of Chicago.
- http://www.ditext.com/quine/quine.html