BOLVIG, A. R.I. Moore: The Birth of Popular Heresy. Documents of Medieval History 1. Edward Arnold Ltd., London, 1975. 166 s. H. R. Loyn and ]. Percival: The Reign of Charlemagne. Documents of Medieval History 2. Edward Arnold Ltd., London, 1975. 164 s. - Begge bøger fås også i paperback udgave. Historisk Tidsskrift, [S. l.], v. 13, 1977. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/51918. Acesso em: 1 maj. 2024.