MCKNIGHT, Joseph Webb. Spanish law for the protection of surviving spouses in North America. Anuario de Historia del Derecho Español, Madrid, ES, n. 57, p. 365–406, 1987. Disponível em: https://revistas.mjusticia.gob.es/index.php/AHDE/article/view/4014. Acesso em: 5 dic. 2025.