Wood, Ernest, 1883-1965. Concentration; an approach to meditation. - Wheaton, Ill., Theosophical Pub. House [1967, c1949] - 154 p. 18 cm. - A Quest book . ISBN: 0835601765 LCCN: 67002874 Subjects--Topical Terms: Attention.Meditation. LC Class. No.: BP573.C7 / W62 1967 Dewey Class. No.: 291.4/3