The Family library: or, Instructor in useful knowledge : Compiled from the most eminent writers, and by the assistance of learned and ingenious men: being calculated to advance the cause of religion and virtue; and to improve, in all useful knowledge, the understanding of those who have not time to read, or abilities to purchse many books. The fourth edition. Publish'd by the King's authority. His majesty having, in consideration of the great use and benefit it will be of to families, granted his royal licence to the proprietor for the sole printing it.