A Manual of classification for librarians /
W. C. Berwick Sayers, revised and partily re-written by Arthur Maltby.
- 4th ed.
- London : Deutsch, 1967
- 404 p. : ill. ; 23 cm.
Previous ed. published uder title : Manual of classification for lib rarians and bibliographers.
Includes bibliographical references ( p. 381-394 )