Damgaard Petersen, Ib. “E. M. Robertson: Hitler’s Pre-War Policy and Military Plans 1933-39. London, Longmans, 1963. XIII + 207 S. 35 Sh”. Historisk Tidsskrift 12 (januar 1, 1967). Set december 5, 2025. https://tidsskrift.dk/historisktidsskrift/article/view/50787.