Original description: "Testing Otto of Rose at Kazanlik"
<a href="https://en.wikipedia.org/wiki/William_Le_Queux" class="extiw" title="en:William Le Queux">William Le Queux</a> (1864-1927)
1906
<a rel="nofollow" class="external text" href="https://archive.org/details/observerinnearea00lequrich">An Observer in the Near East</a>