- The Correspondence of Thomas Carlyle and Ralph Waldo Emerson, 1834-1872, Vol II.
- The Correspondence of Thomas Carlyle and Ralph Waldo Emerson, 1834-1872, Vol. I
- The Letters of Robert Louis Stevenson — Volume 1
- The Letters of Robert Louis Stevenson — Volume 2
- Vailima Letters: Being Correspondence Addressed by Robert Louis Stevenson to Sidney Colvin, November 1890-October 1894