Ideju vesture Latvija. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 47, n. 4, p. 604–605, 1998. DOI: 10.25627/19984746776. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6776. Acesso em: 16 sep. 2026.