The Irish in South America A Bibliography By Brian McGinn http://www.brad.ac.uk/acad/diaspora/guides/samerica.shtml includes: Joyce Lorimer, ed., English and Irish Settlements on the River Amazon, 1550-1646 (London: The Hakluyt Society, 1989). Tobacco planters in league with the Dutch. Analysis of contemporary account by the Co. Clare planter Bernardo O'Brien significantly extends evidence available to Aubrey Gwynn in "Irish Settlement", above. That reference is: Aubrey Gwynn, "An Irish Settlement on the Amazon" in Proceedings of the Royal Irish Academy (Dublin), Vol. XLI, Section C, No.1 (July 1932), pp. 1-54. This pioneering study of 17th C Irish tobacco planters must be supplemented with the more recent findings and interpretations of Joyce Lorimer, below. Evidence of Irish entrepreneurial drive and ability to prosper on tropical frontier exploiting indigenous labour force.