Williams, Paul C. The lumbosacral spine/ Paul C. Williams, - New York : Blakiston Division, McGraw-Hill c1965. - xi, 200 p. illus. 23 cm. LCCN: 64007742 Subjects--Topical Terms: Spine--Diseases.Backache. LC Class. No.: RD768 / .W45 Dewey Class. No.: 616.73/WIL