- An online book section on rings.
- A modern algebra course from Texas A&M. Examples of exams, solutions to problems. They actually use the same book we do).
- (sos many subjects)
- A seminar on Ring Theory with course notes.
- Notes on Modern Algebra with much emphasis on Ring Theory.
- A nice history on the origins of Modern Algebra.
- An interesting website on mathematical questions in general. Click on "Algebra" to find information about rings. Group Theory
- (some questions about Group Theory for Dr. Math).
- (symmetry)
- (very good and helpful notes on Group Theory, with examples)
- (solutions and proofs for standard exercises in Group Theory).
- (Google books with parts of "Group Theory: an Intuitive Approach" by Mirman
- (Review problems with solutions for a third test of a Group Theory course) http://www.sosmath.com/CBB/ (sos many subjects)
- Visual Group Theory (Carter)
- Sylow Theorems.