Simpson, W. ‘<i>THE PETROLEUM OIL WELLS AT BAKU, ON THE CASPIAN</i>’.
<bdi><a href="https://en.wikipedia.org/wiki/en:William_Simpson_(artist)" class="extiw" title="w:en:William Simpson (artist)"><span title="Scottish artist and war correspondent (1823-1899)">William Simpson</span></a>
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1886<div style="display: none;">date QS:P571,+1886-00-00T00:00:00Z/9</div>
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