1. Adam, R. S. (1993). Adams, Charles William. In Dictionary of New Zealand biography. Te Ara – the Encyclopedia of New Zealand (First published in 1993). https://teara.govt.nz/en/biographies/2a2/adams-charles-william. Accessed 17 August 2021.
2. Adams, C. E. (1915). The longitude, latitude, and height of the Hector Observatory, Wellington, New Zealand. Transactions and Proceedings of the Royal Society of New Zealand Institute, XLVII, 590–592. Available from: https://paperspast.natlib.govt.nz/periodicals/TPRSNZ1914-47.2.4.1.55. Accessed 12 September 2021.
3. Adams, C. W. (1882a). WN 4345. Available from: https://linz.recollect.co.nz/. Accessed 8 September 2021.
4. Adams, C. W. (1882b). WN 4335. Available from: https://linz.recollect.co.nz/. Accessed 8 September 2021.
5. Adams, C. W. (1883a). Report on the Survey Observatory, Mount Cook, Wellington. Appendix to the Journals of the House of Representatives, C-2, 9–11. Available from: https://paperspast.natlib.govt.nz/parliamentary/AJHR1883-I.2.1.4.2. Accessed 9 August 2021.