The Indian sign language, with brief explanatory notes of th

[Pat Holscher]

Not really on topic, but sort of an interesting historical item:

http://archive.org/details/cu31924028770570

"The Indian sign language, with brief explanatory notes of the gestures taught deaf-mutes in our institutions for their instruction and a description of some of the peculiar laws, customs, myths, superstitions, ways of living, code of peace and war signals of our aborigines (1885)"