Sign language
Sign Talk
A Universal Signal Code, Without Apparatus, for Use in the Army, the Navy, Camping, Hunting, and Daily Life
Observations d'un sourd et muèt sur un cours élémentaire d'éducation des sourds et muèts publié en 1779 par M. l'Abbé Deshamps, Chapelain de l'Église d'Orléans
Sign Language Among North American Indians Compared With That Among Other Peoples And Deaf-Mutes
First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-1880, Government Printing Office, Washington, 1881, page
