Memoirs of the life and glorious actions of Frederick III. King of Prussia : Containing all the material transactions in Germany from the year 1740, to the end of the campaign of 1758. In which is included a concise history of the glorious atchievements of Prince Ferdinand of Brunswick against the French in Westphalia. Published for the entertainment and improvement of our British youth, and proper to be read at this juncture by all lovers of liberty and their country. To which is added an appendix, containing a succinct account of the person, the way of living, and the Court of the King of Prussia.--Translated from a curious manuscript in French, found in the cabinet of the Late Field Marshal Keith. By W. Salmon, gent.