TY - BOOK AU - Walford, A. J. ED - Library Association. TI - Guide to reference material: Vol. 2 AV - Z1035.1 .W33 U1 - 011 PY - 1968/// CY - London, New York, N.Y. PB - Library Association, Distributed in the U.S.A. by R.R. Bowker KW - Reference books KW - Bibliography N1 - Editor: 1959-1977 A.J. Walford; Issued in 3 v., 2nd ed.-3rd ed; Vol. issued in 1959 has supplement ER -