Skull of <i>Artamus leucogaster</i> (= <i>Artamus leucorhynchus</i>)
R Bowdler Sharpe
1891
Catalogue of the specimens illustrating the ostelogy of verebrated animals (<a rel="nofollow" class="external text" href="https://archive.org/details/catalogueofspeci00shar">part 3</a>)