Karte des westlichen Russlands. Index
Königlich Preußische Landesaufnahme
circa 1915 <div style="display: none;">date QS:P,+1915-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external free" href="http://easteurotopo.org/indices/kdwr/">http://easteurotopo.org/indices/kdwr/</a> Courtesy of University of California library.