Edwards, Jonathan, 1703-1758. The nature of true virtue / With a foreword by William K. Frankena. - [Ann Arbor] University of Michigan Press [1960] - xiii, 107 pages ; 21 cm. - Ann Arbor paperbacks, AA37 . LCCN: 60001751 Subjects--Topical Terms: Virtue. LC Class. No.: BJ 1520 / .E3 Dewey Class. No.: 170