Wilson, Margery, 1898- Double your energy and live without fatigue. [electronic resource] . — Englewood Cliffs, N.J., : Prentice-Hall, [1961]. — 237 p. 24 cm. LCCN: 61014360 Subjects--Topical Terms: Conduct of life.Success. LC Class. No.: BJ1581 / .W744 Dewey Class. No.: 150.13