“Egyptian Representation of the Heavens and Earth,” uncredited illustration after ancient Egyptian papyrus, for “How the Earth Was Regarded in Old Times,” by Camille Flammarion (translator uncredited), <i>The Popular Science Monthly</i>, vol. 10, Mar. 1877, p. 546. Digitized by Google from the collection of the University of Michigan library.
Unknown author<span style="display: none;">Unknown author</span>
1877-03
<i>The Popular Science Monthly</i>, vol. 10, Mar. 1877, p. 546. Downloaded from HathiTrust and cropped. &lt;<a rel="nofollow" class="external free" href="https://hdl.handle.net/2027/mdp.39015033490809?urlappend=%3Bseq=560">https://hdl.handle.net/2027/mdp.39015033490809?urlappend=%3Bseq=560</a>&gt;