[CAROL X Gustavus]. Causae ob quas Carolus Gustavus Sueciae Rex Serenissimum Principem ac Dominum Joannem Casimirum Regem ...

[CAROL X Gustavus]. Causae ob quas Carolus Gustavus Sueciae Rex Serenissimum Principem ac Dominum Joannem Casimirum Regem Poloniae et Sueciae Hereditarium Bello adoriri coactum se profitetur, breves et praeliminares breviter Limatae et eliminatae. B. m. 1656. 4, pp. [8], 55. binding late pp.
E. 14, 108 and E. 19, 132. last pages slightly creased, good condition. Concerns Polish-Swedish diplomatic relations during the Swedish Deluge. Estreicher mentions two names of alleged authors: Gregorius Borastus and Olszowski. He suggests Gdansk or Torun as the place of publication.