From the book: Albert Moll, Handbuch der Sexualwissenschaften, Verlag Von F.C. Vogel, Leipzig 1921. Picture by <a href="//commons.wikimedia.org/wiki/User:Bolo77" title="User:Bolo77">Stefano Bolognini</a>.
first published in Franz von Neugebauer's, <i>Hermaphroditismus beim Menschen</i> (1908) <a rel="nofollow" class="external free" href="https://archive.org/details/hermaphroditismu00neug">https://archive.org/details/hermaphroditismu00neug</a>
before 1908 <div style="display: none;">date QS:P,+1908-00-00T00:00:00Z/7,P1326,+1908-00-00T00:00:00Z/9</div>
Self-scanned