The battle of Plassey (June 23, 1757); an engraving from the London Magazine, 1760, with modern hand coloring; CLICK ON THE IMAGE FOR A LARGE SCAN; a closer look at *the references*

"A Map of the Mouths of the Ganges in the Bay of Bengal, shewing the English Settlements lately Destroy'd by the Nabob of that Province," from 'The Gentlemen's Magazine' (London), July 1757, between pages 308 and 309; CLICK ON THE MAP FOR A VERY LARGE SCAN. And here's *the whole article from which the map comes*.