Changes

*[http://www.columbia.edu/itc/mealac/pritchett/00maplinks/colonial/calcuttamaps/calcuttamaps.html Calcutta Maps 1756,1839,1847,1883] from the [http://www.columbia.edu/itc/mealac/pritchett/00fwp/#fwp website] of Prof. Frances Pritchett, Columbia University

*[http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~21006~530098:Calcutta--Published-under-the-super Calcutta Map 1842] David Rumsey Collection

*[http://daten.digitale-sammlungen.de/~db/bsb00001691/images/index.html ''Plan of Calcutta, shewing the latest improvements as existing in 1854 ; with part of the environs, Calcutta, 1854''] by R Smyth. This map has images for the four quarters: [http://daten.digitale-sammlungen.de/bsb00001691/image_1 RH top quarter], [http://daten.digitale-sammlungen.de/bsb00001691/image_2 LH top quarter], [http://daten.digitale-sammlungen.de/bsb00001691/image_3 RH bottom quarter] [http://daten.digitale-sammlungen.de/bsb00001691/image_4 LH bottom quarter]. The River Hoogly is on the left hand side of this map. The maps may use a Tiff format. If so you may need a plug-in to be able to see them, see [[Online books#Digital Library of India| Online books- Digital Library of India]] for more details. Bayerische Staatsbibliothek - Bavarian State Library

*Ian Poyntz’ [http://homepages.rootsweb.ancestry.com/~poyntz/India/maps.html#index Historical Maps of India] contains 1893 and 1924 maps of Calcutta, and the environs (Scroll down)