I'll use these pages in my college-level course this fall. I've taught the course several times, and although there are some good textbooks on the subject, none of them present modern algebra just the way I want to do it. These pages should help to supplement the textbook.
Copyright © 2003.
David E. Joyce
These pages are located on the web at
http://aleph0.clarku.edu/~djoyce/modalg