Native American Sign Systems

American Indian Signs - Descriptions of signs organized by subject.
Cree Hand Signals - From Canada's Digital Collections. Hard to discern movements in dim photo still animations. Most entries identical to modern ASL.
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.
Indian Signers Conference - Photos, drawings, and article from 1930 conference held in Browning, Montana. Long load; well worth the wait.
Signing in the Boy Scouts of America - Discussion thread from the Mountain Main list.