1. The art of preserving health Author(s): Armstrong, John, 1709-1779 Publication: Philadelphia : Printed for Benjamin Johnson ..., J. Johnson ..., & R. Johnson ..., 1804 Subject(s): HealthHygiene
2. The art of preserving health Author(s): Armstrong, John, 1709-1779 Publication: Walpole, N.H. : Printed for Thomas & Thomas, by Cheever Felch, 1808 Subject(s): HygieneHealth
