The Complete letter-writer: or, Polite English secretary. [electronic resource] : Containing letters on the most common occasions in life. Also a variety of more elegant letters for examples, and improvement of style, from the best modern authors, together with some originals, on business, duty, amusement, affection, courtship, love, marriage, friendship, &c. To which are prefix'd, directions for writing letters, in an easy and proper manner. Also a plain and compendious grammar of the English tongue. With instructions how to address persons of all ranks, either in writing or discourse; and some necessary orthographical directions. And at the end of the prose, some elegant poetical epistles, and various forms of polite messages for cards.