Ladewig Petersen, E. 1979. Denys Hay: Annalists and Historians. Western Historiography from the VIIIth to the XVIIIth Century. London, Methuen & Co. 1977. viii + 215 s. £6.00; paperback £ 2.95. Historisk Tidsskrift. 13, (jan. 1979).