@book{UBHD-1717696, author={Bethlen, Janos}, title={Rerum Transylvanicarum Libri Quatuor}, subtitle={Continentes res gestas Principum ejusdem ab Anno 1629. usque ad An. 1663}, address={[Amstelaedami]}, year={1664}, pages={[12] Bl., 447, [1] S., [4] Bl.}, language={lat}, library={UB [Signatur: B 6504 A RES]}, }