[5] Bentham，J.，Observation on the Poor Bill，1797.
[6] Bentham，J.，Principles of Civil Code，p.314.
[7] Stephen，Sir L.，The English Utilitarians，1900.
[8] Mantoux，P.L.，The Industrial Revobution in the Eighteenth Century，1928.
[9] Cannan，E.，A Review of Economic Theory，1930.
[10] Hazlitt，W.，A Reply to the Essay on Population by the Rev.T.A.Malthus in a Series of Letters，1803.
[11] Ricardo，D.，Principles of Political Economy and Taxation，ed.Gonner，1929，p.86.
第二卷
社会的自我保护
