Check out this blog, Of Another Fashion - An alternative archive of the not-quite-hidden but too often ignored fashion histories of U.S. women of color.
Here's one of their posts:
This is one of my favorite photographs from Margaret Wood’s Native American Fashion: Modern Adaptations of Traditional Designs (Van Nostrand Reinhold Company, 1981).
Here, the model is wearing a modern adaptation of a 19th century Navajo “Bil” or “Tilma” dress traditionally made of woven wool material.