NYBERG, T. Daniel Waley: Later Medieval Europe. From St. Louis to Luther. London, Longmans 1975. (Opr. trykt 1964). 306 s. Historisk Tidsskrift, [S. l.], v. 13, 1979. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52181. Acesso em: 8 maj. 2024.