Map of the Ottoman empire in 1900, derivative since <a href="//commons.wikimedia.org/wiki/File:Map-of-Ottoman-Empire-in-1900-Latvian.svg" title="File:Map-of-Ottoman-Empire-in-1900-Latvian.svg">File:Map-of-Ottoman-Empire-in-1900-Latvian.svg</a> but in english &amp; with more details since H. E. Stier (dir.), <i>Grosser Atlas zur Weltgeschichte</i>, Westermann eds., Braunschweig 1985, <a href="//commons.wikimedia.org/wiki/Special:BookSources/3-14-100919-8" title="Special:BookSources/3-14-100919-8">ISBN 3-14-100919-8</a>
<a href="//commons.wikimedia.org/wiki/User:Julieta39" title="User:Julieta39">Julieta39</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span> derivative since <a href="//commons.wikimedia.org/wiki/File:Map-of-Ottoman-Empire-in-1900-Latvian.svg" title="File:Map-of-Ottoman-Empire-in-1900-Latvian.svg">File:Map-of-Ottoman-Empire-in-1900-Latvian.svg</a>