title: A short history of U.S. policy toward illegal immigration.
authors.forename: T J
authors.initials: TJ
authors.lastname: Espenshade
mesh_terms: D000569:Americas; D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D009656:North America; D011153:Population; D011157:Population Dynamics; D011640:Public Policy; D014171:Transients and Migrants; D014481:United States
keywords: Americas; Demographic Factors; Developed Countries; Historical Survey; Illegal Migrants; Migrants; Migration; Migration Policy; North America; Northern America; Policy; Population; Population Dynamics; Population Policy; Social Policy; United States