Lots of online sources - X8, musician's friend, djembe direct, Lark in the Morning, several more. The goatskins usually are treated (tanned) but still have the hair on them. Traditionally the hair isn't removed until after reheading, so you can leave the hair around the edge, which some people like to do. You can see hair around the edge of the head in the photos. In Africa, they use a straight-edge razor. Here we use Nair! You should see the look on the face of the checker when I buy three bottles of Nair.
I may not have gone where I intended to go, but I think I have ended up where I needed to be.