- The Letters of Horace Walpole, Earl of Orford
- Supplement to the Letters of Horace Walpole, Fourth Earl of Orford; Volume 2
- Letters: Chronologically Arranged and Edited with Notes and Indices by Mrs. Paget Toynbee
- Letters: Chronologically Arranged and Edited with Notes and Indices by Mrs. Paget Toynbee: 10: 1777-1779
- Supplement to The Letters of Horace Walpole, Fourth Earl of Orford; Volume 1