The Sign Language Word Reference Guide lists words found in sign language dictionary resources online and in About.com deafness sign language galleries, along with links to the dictionaries that have the sign. Each dictionary presents signs differently -- some have video, others have graphic illustrations or animated graphics.
Words Listed Alphabetically
In addition, About.com:Deafness has several mini sign language guides for signs for things such as animals, body parts, colors, numbers, school, and more. Plus, there are mini sign language guides for holidays such as Christmas, Halloween, Thanksgiving, and Valentine's Day.