Bullough, Vern L. The emergence of modern nursing / Vern L. Bullough and Bonnie Bullough. - 2nd ed. - New York : Macmillan, 1969. - vii, 277 p. : illus. ; 24 cm. Includes bibliography. Open access. LCCN: 6910540 Subjects--Topical Terms: Nursing--History.