title: [Malthus's Essay and Newton's Principia].
mesh_terms: D003710:Demography; D005069:Evaluation Studies as Topic; D008962:Models, Theoretical; D011157:Population Dynamics; D012106:Research; D012942:Social Sciences
keywords: Comparative Studies; Critique; Demography; Malthusianism; Population Theory; Research Methodology; Social Sciences; Studies; Theoretical Studies; World