This 4 volume work by Jonas Hanway details much of the economic activity enriching the Russian Empire along the edges of the Caspian Sea in the 1740s and 50s.
This is a manuscript map, kept in the Department of Manuscripts, Library of the Academy of Sciences (St. Petersburg). It was created between 1700 and 1705 and features prominently both the trading quarters of the city and some of the city's gardens.
This is Isaac Maasa's 1735 map of the Caspian Sea, featuring the eastern shore, the Aral Sea and what were then the lands of the Uzbecks and Kalmykia on the northern edge of the Persian Empire.