Accessibility
Design
Shawn, Lawton Henry. Just ask: Integrating accessibility throughout design. Lulu.com, 2007.
Section 508 Requirements
Mueller, John Paul and John Mueller. Writing for everybody: Understanding the Section 508 accessibility requirements. New York, NY: Springer-Verlag, 2003.
Web
Clark, Joe. Building accessible websites. Indianapolis, IN: New Riders Press, 2003.
Harper, Simon and Yeliz Yesilada (eds.). Web accessibility: A foundation for research. London, UK: Springer, 2008.
Paciello, Michael G. Web accessibility for people with disabilities. Lawrence, KS: CMP Books, 2000.
Slatin, John M. and Sharron Rush. Maximum accessibility: Making your web site more usable for everyone. New York, NY: Addison-Wesley, 2003.
Sydik, Jeremy. Design accessible web sites: 36 keys to creating content for all audiences and platforms. Pragmatic Bookshelf, 2007.
Thatcher, Jim, et al. Constructing accessible web sites. Glasshaus, 2002.
Thatcher, Jim, et al. Web accessibility: Web standards and regulatory compliance. 2006.
Writing
Lassen, Inger. Accessibility and acceptability in technical manuals: A survey of style and grammatical metaphor. John Benjamins Publishing, 2003.