Seminar on AACR2 : proceedings of a seminar organized by the Cataloguing and Indexing Group of the Library Association at the University of Nottingham, 20-22 April 1979 / edited by Graham Roe. Seminar on AACR2 (1979 : University of Nottingham) Roe, Graham. Library Association. Cataloguing and Indexing Group. Descriptive cataloging Rules Congresses. 025.32 19 SEM London : Library Association, 1980. 1980. 1980 Text iv, 92 p. : eng