A map of 1736 showing lines of engagement between the Russian and Ottoman armies during <a href="https://en.wikipedia.org/wiki/Russo-Turkish_War_(1735%E2%80%931739)" class="extiw" title="en:Russo-Turkish War (1735–1739)">Russo-Turkish War (1735–1739)</a>.
Available also as a digital image through the Harvard University Library Web site.
<bdi><a href="https://en.wikipedia.org/wiki/en:Saint_Petersburg_Academy_of_Sciences" class="extiw" title="w:en:Saint Petersburg Academy of Sciences"><span title="historical academy (1724–1917)">Saint Petersburg Academy of Sciences</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://curiosity.lib.harvard.edu/scanned-maps/catalog/44-990114385080203941">Harvard Library</a>