Changes

*[http://digital.library.cornell.edu/cgi/t/text/text-idx?c=sea;cc=sea;q1=Calcutta;rgn=title;view=toc;idno=sea289 ''Tourist guide and shopping list : where to go, what to see, where to shop in Calcutta and Burma''] 1920 Southeast Asia Visions

*Search the British Library [http://www.bl.uk/onlinegallery/onlineex/apac/index.html Online Gallery APAC Collection] for Calcutta

*[http://oldindianphotos.blogspot.com/search/label/Kolkata Old Indian Photos, category Kolkata]

*Changed street names, old and new [http://www.calcuttaweb.com/roadnamech.shtml Calcuttaweb.com], [http://www.cyp.in/showUsefulInformation.asp?useCatid=29&useCatName=Changed%20Street%20Names Calcutta Yellow Pages]

*[http://www.freemason.com/library/sons01.htm ''The Sons Of Mystery: A Masonic Miscellany From Old Calcutta''] by Pratap Chandra Chunder 1973

====Historical books online====

Also see [[Newspapers and journals online]] for many Calcutta publications including the ''[[Calcutta Review]]''