1. Adams, J., 1846a. Letter to G. Airy, 2 September. Quoted in Glaisher, 1896, xxvii.
2. Adams, J. 1846b. Letter to G. Airy, 18 November. Quoted in Glaisher, 1896, xxx.
3. Adams, 1846c. Memorandum for J. Challis, July 1846. Filed with papers related to January 1847, Cambridge Observatory Archives.
4. Adams, 1846d. Letter to his parents, 15 October. Adams Papers, St. John’s College, Cambridge.
5. Adams, 1847. Letter to A. Sedgwick, 15 June. Adams Papers, St. John’s College, Cambridge.