Thomas C. Fiddick, Russia`s Retreat from Poland, 1920. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 45, n. 2, p. 281–283, 1996. DOI: 10.25627/19964526114. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6114. Acesso em: 16 sep. 2026.