For more than fifty years, the photographer Horace Monroe Poolaw, a Kiowa American Indian, dedicated himself to documenting the lives of members of his tribe in southern Oklahoma. Take a look at a collection of his images.
Above: Eula Mae Narcomey Doonkeen (Seminole) in the American Indian Exposition parade. Anadarko, Oklahoma, circa 1952. Photograph courtesy the Estate of Horace Poolaw