Banja Luka in 1899.
Unknown author<span style="display: none;">Unknown author</span>
1899
from the book Banja Luka:Razdoblja i stoljeća; <a rel="nofollow" class="external autonumber" href="https://banjalucanke.com/2016/06/29/pogledajte-stare-panoramske-slike-banjaluke/">[1]</a>