Native American Sign Systems

American Indian Signs
Descriptions of signs organized by subject.
http://www.angelfire.com/tx2/ecc/signs.html

Cree Hand Signals
From Canada's Digital Collections. Hard to discern movements in dim photo still animations. Most entries identical to modern ASL.
http://collections.ic.gc.ca/cree/cree/1.htm

Indian Sign Language Online Dictionary
Browesable list of descriptions by alphabetical English equivalent, or grouped by topic. Articles translated texts, some Boy Scout-related subjects.
http://www.inquiry.net/outdoor/indian/sign_language/

Indian Signers Conference
Photos, drawings, and article from 1930 conference held in Browning, Montana. Long load; well worth the wait.
http://ublib.buffalo.edu/libraries/e-resources/ebooks/records/7132.html

Signing in the Boy Scouts of America
Discussion thread from the Mountain Main list.
http://www.yvwiiusdinvnohii.net/language.html