Maassen, Joseph H. "How to conquer cataract," by J.H. Maassen ... assisted by Dr. Allen C. Holland ... - Los Angeles, Calif., Health Publications [1945] - 47 p. illus. 20 cm. LCCN: sg 45000209 Subjects--Topical Terms: Cataract. LC Class. No.: RE451 / .M3 Dewey Class. No.: 617.74