An account of the secret services of Monsieur de Vernay, the French minister at Ratisbonne to [Count Teckeley] : as they pass'd [a?] letter, with the cypher [and] key taken from the original, [pr]inted in French at Ratisbonne : together with the speech and memorial of the imperial Minister Zorowiski, deliver'd to the King of Poland : to which is added Mercurius panegyricus.