Map of Rolduc, Belgium by Joseph de Ferraris (1726 – 1814)
Joseph de Ferraris (1726 – 1814)
<a rel="nofollow" class="external free" href="http://www.ngi.be/FerrarisKBR/">http://www.ngi.be/FerrarisKBR/</a><br><span class="int-own-work" lang="en">Own work</span>