Google Search (Images) works just fine. The US Government has never been serious about anthropology or ethnic-religious or “peoples” instead of artificial states (the simpleton's approach to international relations).
Below are images for Algeria, Yemen, and Somalia, with source credits. As Panarchy becomes the primary mode of global self-organization, we should see a diminuition of “state” boundaries (most of them are failed states anyway) and a resurrection of traditional tribal-natural “zones of influence.” That is a good thing, but stupid governments replete with hubris and the arrogance of ignorance will no doubt fight it. Open Borders, Open Money, Open Everything. Coming soon.