Military actions from book from the book Caucasus and it's mountain inhabits in their modern condition.
<a href="https://en.wikipedia.org/wiki/Nikolay_Danilevsky" class="extiw" title="en:Nikolay Danilevsky">Nikolay Danilevsky</a> (1822–1885)
1846
<a rel="nofollow" class="external text" href="https://books.google.com/books?id=xRMIAAAAQAAJ&amp;pg=PA199"><b>Кавказъ</b> е его горскіе жители въ нынйшнемъ ихъ положеніи by Nikolay Danilevsky</a>, P.XI