Grebe shown in Popular Science
Unknown author<span style="display: none;">Unknown author</span>
1924-07
Popular Science, July 1924, <a rel="nofollow" class="external free" href="https://books.google.ca/books?id=vikDAAAAMBAJ&amp;lpg=PA33&amp;vq=baseball&amp;pg=PA66#v=onepage&amp;q&amp;f=false">https://books.google.ca/books?id=vikDAAAAMBAJ&amp;lpg=PA33&amp;vq=baseball&amp;pg=PA66#v=onepage&amp;q&amp;f=false</a>