RÜHL, O. Gordon A. Craig: Germany 1866-1945. Oxford History of Modem Europe. Oxford University Press 1978. 825 s. Historisk Tidsskrift, [S. l.], v. 14, 1983. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52452. Acesso em: 7 maj. 2024.