Haurongo: Troup, George Alexander
He whakaaturanga anō
Rārangi pukapuka
Matheson, P. et al. Presbyterians in Aotearoa, 1840--1990. Ed. D. McEldowney. Wellington, 1990
Obit. Evening Post. 4 Oct. 1941
'Sir George Troup'. Dominion. 1 Feb. 1937
Troup, G. M. George Troup: architect and engineer. Palmerston North, 1982