Dictionary of Sign Language Terms Author:Terrence O'Rourke and Frank Paul This dictionary was developed and reviewed by deaf members. It includes words and phrases that are unique to The Church of Jesus Christ of Latter-day Saints. The vocabulary in this book should help improve communication for hearing-impaired members who use signing and should serve as a guide to local leaders, teachers, missionaries, and others... more » in using the same signs for specific words and phrases.« less