Note:
Farmers, Scientists and Economists by H. P. Schapper; The Use of Experimental Results in Farm Planning by B. R. Martin and B. R. Davidson; Investment in the Kimberley Cattle Industry by D. W. G. Treloar; Farm Population and Land Development in Western Australia by J. S. Nalson and A. W. Hogstorm; Understanding the Economy of Western Australia by M. L. Parker.
