Kevin O’Connor, The History of the Baltic States. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 54, n. 4, p. 609–610, 2005. DOI: 10.25627/20055448518. Disponível em: https://openjournals.osmikon.de/zfo/article/view/8518. Acesso em: 16 sep. 2026.