There is a wide variety of books, manuals, and interactive media available in the retail and online bookstore market that cover Web design. You might try the UNM Bookstore first.
Continuing Education offers an extensive group of classes about the Internet, HTML, graphic and Web design, Web authoring tools, etc. Specific product classes include HTML, FrontPage, Javascript, Java, PERL, GoLive, Dreamweaver, Flash Fireworks, ColdFusion, and InterDev. UNM faculty and staff can use tuition waivers to cover class costs.
W3C: Web Accessibility Initiative (WAI)