Jus Feciale armatæ Daniæ. : With a short demonstration of the most weighty causes, whereupon His Sacred Royal Majesty of Denmark, Norway, the Vandals and Goths, &c., urg'd by meer necessity, doth by his herald, according to the law of nations, denounce warre both by land and sea, against King Charles Gustavus and the Kingdom of Swedeland, after unsufferable [sic] injuries and damages done Us, and most equall conditions of peace rejected by the Swedes; and doth renounce all neighbourly friendship. - Frederick (Printed and are to be sold at the sign of the Star in St. Pauls Church-yard,, 1657)