Stewart P. Oakley, War and Peace in the Baltic 1560-1790. Zeitschrift für Ostmitteleuropa-Forschung, Marburg, v. 46, n. 4, p. 619, 1997. DOI: 10.25627/19974646461. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6461. Acesso em: 31 oct. 2026.