Haurongo: Laidlaw, Robert Alexander Crookston
He whakaaturanga anō
Rārangi pukapuka
Hunter, I. Robert Laidlaw: man for our time. Auckland, 2011
Kay, M. Inside story of Farmers'. Auckland, 1954
Laidlaw, R. A. The story of 'The reason why'. Auckland, 1969
Lineham, P. J. There we found Brethren. Palmerston North, 1977