Letterbook of Greg & Cunningham, Merchants of New York and Belfast, 1756-57, Volume 28 of the British Academy’s Records of Social and Economic History (Oxford University Press, 2001).
Irish-American Trade, 1660-1783 (Cambridge University Press, 1988).
“London’s Irish Merchant Community and North Atlantic Commerce in the Mid-Eighteenth Century,” in Irish and Scottish Mercantile Networks in Europe and Overseas in the Seventeenth and Eighteenth Centuries, David Dickson, Jan Parmentier, and Jane Ohlmeyer, eds. (Ghent: Academia Press, 2007).
“Transnational Trade in the Wartime North Atlantic: The Voyage of the Snow Recovery,” Business History Review 79 (winter 2005).
“Waddell Cunningham (1729-97)” in Oxford Dictionary of National Biography (Oxford University Press, 2004).