NIELSEN, Herluf. Peter Hunter Blair: Northumbria in the Days of Bede. London, Victor Gollancz Ltd. 1976. 254 s. 5.95 £. Historisk Tidsskrift, [S. l.], v. 13, 1979. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52137. Acesso em: 5 dec. 2025.