Proceedings of the International Study Conference on classification for information retrieval, held at Beatrice Webb House, Dorking, England, 13th-17th May 1957. (A study conference of the Fédération Internationale de Documentation, held in consequence of the discussions on classification at the International Congress of Librarianship in Brussels in September 1955 ... /
Association of Special Libraries and Information Bureaux (Great Britain)
London, 
1957.