SUPPLEMENTARY MITCHELL PAPERS. Vols. LVI-LXIII. Accounts relating to specific departments of Mitchell's household, mostly in Germany; 1756-1771, n.d. Mostly French and German. Eight volumes.
SUPPLEMENTARY MITCHELL PAPERS. Vols. LXIV-LXXXI. General household and personal accounts, bills and receipts; 1736-1771, n.d. Mostly French and German. Eighteen volumes.
SUPPLEMENTARY MITCHELL PAPERS. Vol. LXXXII (ff. 83). Inventories of goods, including linen and wines, medical recipes, certificates for dogs, menus; 1756-1768, n.d. French and German.