[5] Political Economy, by J. S. Mill.
[6] Political Economy, by H. D. Macleod.
[7] Wealth of Nations, by Adam Smith.
[8] Political Economy, by F. Bastiat.
[9] Political Economy, by H. D. Macleod.
[10] Political Economy, by J. S. Mill.
[11] Wealth of Nations, by Adam Smith.
[12] Political Economy, by H. D. Macleod.
[13] Political Economy, by F. Bastiat.