Douglass, A. (1881). Ostrich farming in South Africa: Being an account of its origin and rise ; how to set about it ; the profits to be derived ; how to manage the birds ; the capital required ; the diseases and difficulties to be met with, &c. &c. Cassell, Petter, Galpin.

Douglass, Arthur. Ostrich Farming in South Africa: Being an Account of Its Origin and Rise ; How to Set About It ; the Profits to Be Derived ; How to Manage the Birds ; the Capital Required ; the Diseases and Difficulties to Be Met with, &c. &c. Cassell, Petter, Galpin, 1881.