Atlantic Walrus and its young (actually based on a stuffed male specimen, from Georges Louis Leclerc's 1765 <i>Histoire naturelle, générale et particulière</i> vol. 10)
Lackerbauer
<a rel="nofollow" class="external text" href="https://archive.org/stream/lemondedelamer00fr#page/n733/mode/2up"><i>Le monde de la mer</i></a>