Andrejs Plakans, The Latvians. A Short History. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 47, n. 4, p. 603–604, 1998. DOI: 10.25627/19984746775. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6775. Acesso em: 16 sep. 2026.