SUPPLEMENTARY MITCHELL PAPERS. Vol. XI (ff. 46). Letter-book, containing mostly drafts of letters, with accounts, and memoranda on Parliamentary and legal matters, etc.; 1735-1740, n.d. Accounts apparently dated 1799 occur (f. 42v).
SUPPLEMENTARY MITCHELL PAPERS. Vol. XLIV (ff. 114). Miscellaneous material comprising notes on Roman coinage and measurement, notes on the science of morals, a tract on English history and notes on two paintings by Rubens; aft. 1737, n.d.
SUPPLEMENTARY MITCHELL PAPERS. Vol. XXI (ff. 47). Accounts of public revenue, excise, establishment lists, imports and exports, etc.; 1743-1748. Revenue: Papers of A. Mitchell rel. to public revenue: 1737-1750.