Mark Cornwall, The Devil’s Wall. The Nationalist Youth Mission of Heinz Rutha. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 64, n. 3, p. 448–450, 2015. DOI: 10.25627/20156439916. Disponível em: https://openjournals.osmikon.de/zfo/article/view/9916. Acesso em: 16 sep. 2026.