William Kretschmer<p>Sioux Indian and activist Zitkala Sa taken by Gertrude Käsebier<br><a href="https://mastodon.world/tags/ZitkalaSa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ZitkalaSa</span></a> <a href="https://mastodon.world/tags/NativeAmericans" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NativeAmericans</span></a> <a href="https://mastodon.world/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://mastodon.world/tags/GertrudeK%C3%A4sebier" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GertrudeKäsebier</span></a></p>