Walford's guide to reference material /
edited by A. J. Walford, with the assistance of Anthony P. Harvey and H. Drubba.
- 4th ed.
- London : Library Association, 1980.
- 3 v. ; 25 cm.
Includes indexes. Editors vary.
v. 1. Science & technology -- v. 2. Social & historical sciences, philosophy & religion -- v. 3. Generalia, language & literature, the arts.