titleAd sereniss. & potentissimum Roman. imper. Ferdinandum III. [...] regis Sueciæ Caroli Gvstavi literæ, in quibus exponuntur caussæ susceptæ nuper Polonicæ expeditionis
TitleAd sereniss. & potentissimum Roman. imper. Ferdinandum III. [...] regis Sueciæ Caroli Gvstavi literæ, in quibus exponuntur caussæ susceptæ nuper Polonicæ expeditionis