Miscellaneous papers, notes on historical, philosophical, and medical subjects, in several hands, including that of David Williams; a copy of a declaration clearing David Williams of responsibility for writing an anonymous letter, 1769; a draft statement on the policy of admitting colonies to a full participation in the rights of the mother country; notes of proceedings on the motion of an address to the King from the inhabitants of Monmouthshire, 1795; a draft letter to Thomas Pelham, Earl of Chichester; incomplete drafts of statements on the East India Company and on the copper trade, including testimony by John Vivian and Thomas Williams; a statement by Richard Ellis, Llanbeblig, miller, concerning votes for Sir Robert Williams at a Caernarvonshire election; and a memorandum of agreement for letting rooms at Lower Sloane Street to Mary Watkins, 1822.