BUTZ, E.-M. . Empress Agnes of Poitou (1043-1077). Reflections on the Legal Basis of Her Regency. Fund og Forskning i Det Kongelige Biblioteks Samlinger, [S. l.], v. 44, n. 3, p. 1–10, 2005. DOI: 10.7146/fof.v44i3.133006. Disponível em: https://tidsskrift.dk/fundogforskning/article/view/133006. Acesso em: 9 maj. 2024.