Ring Theory

arXiv Front: RA Rings and Algebras
Rings and algebras section of the mathematics e-print arxiv.
http://front.math.ucdavis.edu/math.RA

Associative Rings and Algebras
Section 16 of Dave Rusin's archive of known mathematics.
http://www.math.niu.edu/~rusin/known-math/index/16-XX.html

Basic Books on Rings and Modules
A reading list by Lee Lady, University of Hawaii.
http://www.math.hawaii.edu/~lee/algebra/references.html

Group Photographs from Noncommutative Ring Theory Meetings
Taken by Tim Hodges.
http://math.uc.edu/~hodgestj/pics.htm

Nonassociative Rings and Algebras
Section 17 in Dave Rusin's Mathematical Atlas.
http://www.math.niu.edu/~rusin/known-math/index/17-XX.html

Ring Theory Resources
Compiled by A.D. Bell.
http://www.uwm.edu/People/adbell/RT/