id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-1778		Plains Indian Sign Language - Wikipedia			.html	text/html	5147	1281	68	Via the Crow, it replaced the divergent Plateau Sign Language[citation needed] among the eastern nations that used it, the Coeur d'Alene, Sanpoil, Okanagan, Thompson, Lakes, Shuswap, and Coleville in British Columbia, with western nations shifting instead to Chinook Jargon. But, the earliest records of contact between Europeans and Indigenous peoples of the Gulf Coast region in what is now Texas and northern Mexico note a fully formed sign language already in use by the time of the Europeans' arrival there.[21] These records include the accounts of Cabeza de Vaca in 1527 and Coronado in 1541. William Philo Clark, who served in the United States Army on the northern plains during the Indian Wars, was the author of The Indian Sign Language, first published in 1885. McKay-Cody, Melanie Raylene (1998), "Plains Indian Sign Language: A comparative study of alternative and primary signers", in Carroll, Cathryn (ed.), Deaf Studies V: Toward 2000--Unity and Diversity, Washington DC: Gallaudet University Press, ISBN 1893891097	./cache/en-wikipedia-org-1778.html	./txt/en-wikipedia-org-1778.txt