For many years World Mission Society has developed materials for teaching people deaf, hard of hearing, and hearing to communicate in the sign language of their country.
Some of the materials we have published are as follows:
ASL I Volume I
ASL I Volume II
ASL II Thesuarus
Mexican Sign Language
Fiji Sign Langauge
Brazil Sign Language
Tonga Sign Language
Gospel Tracts for the Deaf
God and You
I am Deaf
Jesus and the Deaf
Deaf Betty (Stories in Sign Language for Children)