1. A. C. Aitken, Determinants and Matrices, Second edition, Interscience Publishers, New York, 1942, 135 pp.
2. R. G. D. Allen, Mathematical Analysis for Economists, Macmillan, London, 1938, 548 pp.
3. M. Bronfenbrenner, ‘Production Functions: Cobb-Douglas, Interfirm, Intrafirm’, Econometrica 12 (January, 1944 ) 35–44.
4. Colin Clark, The Conditions of Economic Progress, Macmillan, London, 1940, 504 pp.; esp. references to work of Max Brown on New Zealand, pp. 384–385, 407.
5. Charles W. Cobb and Paul H. Douglas, ‘A Theory of Production’, American Economic Review 18, Supplement (March, 1928 ) 139–165.