DUBA, W. Owen; SCHABEL, C. David. Utrum causae secundae possint nos in aliquo necessitare. Petrus Ceffons vs. Thomam Bradwardinum. AIGIS, [S. l.], v. 15, n. 4, 2024. Disponível em: https://tidsskrift.dk/aigis/article/view/146234. Acesso em: 26 dec. 2025.