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, pages 263-552
Garrick Mallery
SIGN LANGUAGE
COMPARED WITH THAT AMONG OTHER PEOPLES AND DEAF-MUTES.
NORTH AMERICAN INDIANS