WARD, Robert E. German-American Genealogical Research Techniques: No. 1: University and School Matricles. Journal of German-American Studies, [S. l.], v. 11, n. 3-4, p. 89–90, 1976. Disponível em: https://journals.ku.edu/jgas/article/view/20009.. Acesso em: 16 may. 2024.