Vickers, Brian (June 1979), "Frances Yates and the Writing of History", The Journal of Modern History, 51 (2, Technology and War): 287–316, doi:10.1086/241901, S2CID144766713
"The origins of the Royal Society lie in an 'invisible college' of natural philosophers who began meeting in the mid-1640s to discuss the new philosophy of promoting knowledge of the natural world through observation and experiment, which we now call science." http://royalsociety.org/about-us/history accessed 2 May 2014
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Vickers, Brian (June 1979), "Frances Yates and the Writing of History", The Journal of Modern History, 51 (2, Technology and War): 287–316, doi:10.1086/241901, S2CID144766713