Haurongo: Davis, Charles Richard rāua ko Davis, Edward Charles
He whakaaturanga anō
Rārangi pukapuka
Morgan, V. A history of Waitomo. Hamilton, 1983
Obit. [C. R. Davis]. Te Ao Hou No 49 (Nov. 1964): 62--63
Obit. [E. C. Davis]. Otorohanga Times. 14 May 1958: 4