You are looking at an archived page. The website has moved to richardzach.org. Exciting developments! The Association of Symbolic Logic has made the now-out of print volumes in the Lecture Notes in Logic (vols. 1-12) and Perspectives in Mathematical Logic (vols. 1-12) open-access through Project Euclid. This includes classics like Shoenfield's Recursion Theory, Lindström's Aspects of Incompletenes