Beck, Alfred c., 1885- Obstetrical practice, [Book /] Alfred c. Beck. - 4th. ed. - Baltimore, : Williams & Wilkins Co., 1947. - ix, 966 p. : illus., ports. ; 26 cm. All age. LCCN: med47000893 Subjects--Topical Terms: Obstetrics. Dewey Class. No.: 618.2