TY - BOOK AU - Walford,A.J. ED - Library Association. TI - Guide to reference material AV - Z1035.1 .W33 PY - 1973/// CY - London, New York, N.Y. PB - Library Association, Distributed in the U.S.A. by R.R. Bowker KW - Reference books KW - Great Britain KW - Bibliography N1 - Editor: 1959-1977 A.J. Walford; Vol. issued in 1959 has supplement ER -