Wojciech Roszkowski, Landowners in Poland 1918-1939. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 45, n. 3, p. 450–451, 1996. DOI: 10.25627/19964536160. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6160. Acesso em: 16 sep. 2026.