(III. ff. 478). 1757-1760. includes: f. 1 Richard Morton: Letters to C. Yorke: 1754-176G. f. 3 Hugh Percy, 1st Duke of Northumberland; formerly Smithson: Letters to C. Yorke: 1757-1766. f. 5 Edmund Keene, Bishop of Chester; Bishop of Ely 1771: Letters to C. Yorke: 1757, 1764, 1768, and n.d. ff...
(V. ff. 424). July, 1764-June, 1766. includes: ff. 1, 145 Charles Lennox, 3rd Duke of Richmond and Lennox: Letters to C. Yorke: 1764, 1765. f. 4 Thomas Morgan: Letter to C. Yorke: 1764. f. 6 Rose Fuller, MP: Letter to C. Yorke: 1764. ff. 8, 11 R- Butcher: Letters to C. Yorke: 1755, 1756, 1764....