The present status and future prospects of reference/information service : proceedings of the Conference held at the School of Library Service, Columbia University, March 30-April 1, 1966 - Conference held at the School of Library (Mar 30-Apr 1, 1966 : Columbia University, Chicago); Linderman, Winifred B.; Columbia University. School of Library Service; American Library Association. Reference Services Division (Chicago : American Library Association, 1967)
Keywords: Reference services (Libraries) -- United States -- Congresses