Haurongo: Ostler, Emma Brignell
He whakaaturanga anō
Rārangi pukapuka
Macgregor, M. Petticoat pioneers. Book 2. Wellington, 1975
Stout, R. 'A notable pioneer. The late Mrs. E. B. Ostler'. New Zealand Herald. 18 April 1922
Wilson, H. My first eighty years. Hamilton, 1950