Subject retrieval in the seventies: new directions - Wellisch, Hans H., 1920-2004; Wilson, Thomas D.; University of Maryland, College Park. School of Library and Information Services (Westport, Conn. : Greenwood Pub. Co., 1972)
"Proceedings of an international symposium held at the Center of Adult Education, University of Maryland, College Park, May 14 to 15, 1971."
Meeting sponsored by the University of Maryland School of Library and Information Services.
Includes bibliographies.
Keywords: Subject cataloging -- Congresses; Classification -- Books -- Congresses; Information retrieval -- Congresses