Dethlefsen, H. 1997. Lennart Bergfeldt: Experiences of Civilian Resistance: The Case of Denmark 1940-1945. Uppsala, eget forlag 1993, 451 s., disputats. Historisk Tidsskrift. 16, (jan. 1997), 223. DOI:https://doi.org/10.7146/ht.v16i0.53837.