Mitford, John, editor. 2452 .5=*L.62 .1=**K 203 .5=+*K 251265 Walpole, Horace, 4th earl of Orford.
The correspondence of Horace Walpole, earl of Orford and the Rev. William Mason. Now first published from the original MSS. Edited with notes by J. Mitford. ;
London. Bentley. 1851. 2v. 8°, Two portraits inserted in **K.203.5. Fourteen portraits and two plates are inserted
in *#K.312.5,