DETHLEFSEN, Henrik. Lennart Bergfeldt: Experiences of Civilian Resistance: The Case of Denmark 1940-1945. Uppsala, eget forlag 1993, 451 s., disputats. Historisk Tidsskrift, [S. l.], v. 16, p. 223, 1997. DOI: 10.7146/ht.v16i0.53837. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/53837. Acesso em: 5 dec. 2025.