Digital Rare Book :
Handbook of the Bengal Presidency with an account of Calcutta city with maps and plans.
By Edward B. Eastwick
Published by John Murray, London - 1882

Image :
Map of Calcutta, 1858
Map of Calcutta from actual survey in the years 1847-1849 / by Frederick Walter Simms ; the suburbs of the town are from surveys subsequently furnished by Major H.L. Thuillier ; executed by himself & Captain R. Smyth ; reduced and engraved by J. and C. Walker.

Source : David Rumsey Map Collection