NELSON, Peter B. From the Homestead Act to Heartland Visas. Rural Population Policies in the United States over Time and across Scale. AGER. Revista de Estudios sobre Despoblación y Desarrollo Rural, [S. l.], v. 33, p. 83–106, 2021. Disponível em: https://recyt.fecyt.es/index.php/AGER/article/view/93168. Acesso em: 12 feb. 2026.