Changes

===Historical books online===

*[http://books.google.com/books?id=4GhKAAAAYAAJ&pg=PA114 “Letter VIII: Mulnath Indigo Factory”] from ''Rural life in Bengal: illustrative of Anglo-Indian suburban life, the habits of the rural classes, the varied produce of the soil and seasons, and the culture and manufacture of indigo : letters from an artist in India to his sisters in England'' by Colesworthey Grant 1866 illustrated with one hundred and sixty six engravings.

*[http://www.archive.org/stream/tentlifeintigerl00ingliala#page/n5/mode/2up ''Tent Life in Tigerland with which is incorporated Sport and Work on the Nepaul Frontier : being twelve years' sporting reminiscences of a pioneer (indigo) planter in an indian frontier district''] by James Inglis 1892. ''Sport and Work on the Nepaul Frontier'' was first published 1878 and commences [http://www.archive.org/stream/tentlifeintigerl00ingliala#page/n429/mode/2up page 369] Archive.org

*[http://www.archive.org/stream/culturemanufactu00reidrich#page/n9/mode/2up ''The culture and manufacture of indigo; with a description of a planter's life and resources''] by Walter Maclagan Reid 1887 Archive.org

*[http://www.archive.org/stream/cu31924008675047#page/n133/mode/2up “Indigo”] from ''A history of Murshidabad District (Bengal) : with biographies of some of its noted families'' by John Henry Tull Walsh 1902 Archive.org

*[http://www.archive.org/stream/cu31924024077806#page/n3/mode/2up ''History of Behar indigo factories ; Reminiscences of Behar ; Tirhoot and its inhabitants of the past ; History of Behar Light Horse Volunteers''] by Minden Wilson 1908 Archive.org