YOUSSEF, D. T.; MAHMOUD, I. H. German Immigrants to the United States of America - John Sutter and His role in the Discovery of California Gold, 1839-1888. Journal of Tikrit University for Humanities, [S. l.], v. 31, n. 1, p. 414–429, 2024. DOI: 10.25130/jtuh.31.1.2024.21. Disponível em: https://jtuh.org/index.php/jtuh/article/view/3089. Acesso em: 5 aug. 2026.