Thomas Riis, Should Auld Acquaintance be Forgot, vol. 1 (Odense, 1988), p. 129, citing Bodleian Library, MS Smith 77, pp. 117-8, Peter Young to Jacob Bording & Joachim Bassewitz, 2 September 1598; Thomas Riis, Auld Acquaintance, vol. 2 (Odense, 1988), p. 289: Michael Pearce, 'Riddle's Court, Banquet and Diplomacy in 1598', History Scotland Magazine (July, 2012): Annie Isabella Cameron, Warrender Papers, vol. 2 (Edinburgh, 1932), pp. 358-380: Calendar State Papers Scotland, vol. 13 (Edinburgh, 1969), pp. 223-4 no. 167.