MacCracken, William Benjamin, 1869- Normal sight without glasses, by W. B. MacCracken, M. D. - Berkeley, Calif. [!] The author, 1945. - 3 p. l., ix-x p., 2 l., 3-89 p. 21 cm. LCCN: sg 45000273 Subjects--Topical Terms: Eye--Accommodation and refraction. LC Class. No.: RE925 / .M254 Dewey Class. No.: 617.75