Haurongo: Ferguson, William
He whakaaturanga anō
Rārangi pukapuka
The cyclopedia of New Zealand. Vol. 1. Wellington, 1897
Ferguson, W. Family papers. MS Papers 4169. WTU
Furkert, F. W. Early New Zealand engineers. Wellington, 1953
Newnham, W. L. Learning, service, achievement. Wellington, 1971
Obit. Evening Post. 21 June 1935: 11
Obit. New Zealand Society of Civil Engineers. Proceedings 22 (1935--36): 522--526