Lundgreen-Nielsen, K. (1983) “Roy Douglas: The Advent of War, 1939-40. London, Macmillan Press, 1978. 167 s. Roy Douglas: From War to Cold War, 1942-48. London, Macmillan Press, 1981. 224 s”., Historisk Tidsskrift, 14. doi: 10.7146/ht.v14i0.52557.