An essay on the principle of population, or, a View of its past and present effects on human happiness : with an inquiry into our prospects respecting the future removal or mitigation of the evils which it occasions / by T.R. Malthus. 3rd ed.
An essay on the principle of population, or, a View of its past and present effects on human happiness : with an inquiry into our prospects respecting the future removal or mitigation of the evils which it occasions / by T.R. Malthus.