Pérez Meléndez, José Juan. “The Meanings of Restriction: The Heydt Rescript of 1859 and German Migrations to Brazil”. História Econômica & História de Empresas 27, no. 3 (dezembro 16, 2024): 683–718. Acessado março 31, 2025. https://hehe.org.br/index.php/rabphe/article/view/1025.