Check out this interactive map detailing the various wrestling styles the world over. An amazing work in progress!
http://www.groundnevermisses.com/2015/02/traditional-wrestling-styles.html
Very cool. I would guess there were a lot more than one traditional American Indian wrestling styles in the USA before the white man arrived.
Maybe not too much information on them unfortunately.
Sadly I fear much is lost. It has always been an interesting subject for me.
Yeah, history sucks...