The appendage to the maps of the Orenburgh Expedition no 1. of the provinces in Siberia no. 2 as taken by the Russians in 1747 / 
Gibson, John.
[London :  For T. Osborne &c.], 
1753 [i.e. 1754]
In: An Historical Account of the British Trade over the Caspian Sea ... By Jonas Hanway. Vol. 1.