Chesterfield's Art of Letter-Writing Simplified. Being a guide to friendly, affectionate, polite and business correspondence, containing a large collection of the most valuable information relative to the art of letter-writing, with clear and complete instructions how to begin and end correspondence, rules for punctuation and spelling, &c. To which is appended the complete rules of etiquette, and the usage of society : containing the most approved rules for correct deportment in fashionable life, together with hints to gentlemen and ladies on irregular and vulgar habits, also, the etiquette of love and courtship, marriage etiquette, &c.