Random House Webster's American Sign Language Dictionary

This dictionary represents the cutting edge in reference for American Sign Language, with a treasury of signs for the novice and experienced user alike.

Its many features include:
over 4,500 signs
complete descriptions of each sign, plus full-torso illustrations separate sections on geographical signs
how numbers are signed in different contexts and the role of finger spelling
a subject index

This dictionary is the only one that makes it easy for you to match the right signs with the right meanings by giving you:
alternate signs for the same meaning, plus different signs for different meanings of the same word
complete definitions that show you which meanings go with which signs  over 3,000 cross references to the illustrated signs