Black, R. D. C. (1967). "Parson Malthus, the General and the Captain". The Economic Journal. 77 (305): 59–74. doi:10.2307/2229348. JSTOR2229348.
Checkland, S. G. (1948). "The Birmingham Economists, 1815-1850". The Economic History Review. 1 (1). Blackwell Publishing on behalf of the Economic History Society: 1–19. doi:10.2307/2590000. JSTOR2590000.
Black, R. D. C. (1967). "Parson Malthus, the General and the Captain". The Economic Journal. 77 (305): 59–74. doi:10.2307/2229348. JSTOR2229348.
Checkland, S. G. (1948). "The Birmingham Economists, 1815-1850". The Economic History Review. 1 (1). Blackwell Publishing on behalf of the Economic History Society: 1–19. doi:10.2307/2590000. JSTOR2590000.