From <a href="//commons.wikimedia.org/w/index.php?title=To_Accompany_Manual_of_Bird_Study&amp;action=edit&amp;redlink=1" class="new" title="To Accompany Manual of Bird Study (page does not exist)">To Accompany Manual of Bird Study</a> or <i><a href="//commons.wikimedia.org/w/index.php?title=To_accompany_A_manual_of_bird_study,_issued_by_the_American_Museum_of_Natural_History&amp;action=edit&amp;redlink=1" class="new" title="To accompany A manual of bird study, issued by the American Museum of Natural History (page does not exist)">To accompany A manual of bird study, issued by the American Museum of Natural History</a></i>
<bdi><a href="https://www.wikidata.org/wiki/Q54875046" class="extiw" title="d:Q54875046"><span title="curator at the American Museum of Natural History">William Henry Carr</span></a>
</bdi>
August 1927
<a rel="nofollow" class="external text" href="https://archive.org/details/accompmanua01unse">The Internet Archive</a>