<i>Marco Polo, son temps et ses voyages.</i>
<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_Vidal_de_La_Blache" class="extiw" title="w:en:Paul Vidal de La Blache"><span title="French geographer">Paul Vidal de La Blache</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://archive.org/details/marcopolosontem00blacgoog">Internet Archive</a> and <a rel="nofollow" class="external text" href="https://books.google.fr/books?id=cCsNAQAAIAAJ">google books</a>