Haurongo: Riddiford, Edward Joshua
He whakaaturanga anō
Rārangi pukapuka
Alexander, V. 'Orongorongo and the Riddifords'. Journal of the New Zealand Federation of Historical Societies 2, No 4 (1986): 5--8
Cresswell, D. Early New Zealand families. 2nd series. Christchurch, 1956
Obit. Wairarapa Daily Times. 3 May 1911
Riddiford family. Papers, 1863--1912. MS Papers 1392. WTU