<i>Prärietiere und ihre Schicksale</i>; Stuttgart, 1921
Drawings: <a href="https://en.wikipedia.org/wiki/Ernest_Thompson_Seton" class="extiw" title="en:Ernest Thompson Seton">en:Ernest Thompson Seton</a> (1860–1946)<br>Photo: <a href="//commons.wikimedia.org/wiki/User:Parpan05" title="User:Parpan05">Adrian Michael</a>
<span class="int-own-work">Self-photographed</span>