1. Ball, Robert S. (1905). “Isaac Roberts.” Proceedings of the Royal Society 75: 356–363.
2. Hollis, Henry Park (1920). “Roberts, Isaac.” In Dictionary of National Biography, Supplement, January 1901-December 1911, edited by Sir Sidney Lee, pp. 209–211. London: Oxford University Press.
3. James, Stephen H. G. (1993). “Dr Isaac Roberts (1829–1904) and His Observatories.” Journal of the British Astronomical Association 103: 120–122.
4. Roberts, Dorothea Klumpke (1928?–1932). Isaac Roberts’ Atlas of 52 Regions: A Guide to William Herschel’s Fields of Nebulosity. Vols. 1 and 2. Paris: Bonheur.
5. Roberts, Isaac (1893–1899). Photographs of Stars, Star-Clusters, and Nebulae, Together with Records of Results Obtained in the Pursuit of Celestial Photography. Vols. 1 and 2. London: Knowledge Office.