Browesable list of descriptions by alphabetical English equivalent, or grouped by topic. Articles translated texts, some Boy Scout-related subjects.

From Canada's Digital Collections. Hard to discern movements in dim photo still animations. Most entries identical to modern ASL.

Discussion thread from the Mountain Main list.

Descriptions of signs organized by subject.

Photos, drawings, and article from 1930 conference held in Browning, Montana. Long load; well worth the wait.