IZDEBSKI, Hubert; RUSSOCKI, Stanisław. Historical Studies of the English Parliament . Czasopismo Prawno-Historyczne, [S. l.], v. 24, n. 1, p. 245–249, 1972. DOI: 10.14746/cph.1972.24.1.13. Disponível em: https://pressto.amu.edu.pl/index.php/cph/article/view/50787. Acesso em: 18 maj. 2026.