Haurongo: Gifford, Algernon Charles
He whakaaturanga anō
Rārangi pukapuka
Eiby, G. A. 'A visit to Uncle Charlie'. Southern Stars 24, No 6 (June 1972): 109–113
Jenkinson, S. H. New Zealanders and science. Wellington, 1940
Obit. Southern Stars 14, No 2 (June 1948): 17–18
Obit. Transactions and Proceedings of the Royal Society of New Zealand 77 (1948–49): 582–583