Reference and information services : a reader / edited by Bill Katz and Andrea Tarr. Katz, William A., 1924- Tarr, Andrea. Reference services (Libraries) Information services. Z711 .R44 027.5 REF Bibliography: p. [447]-456. Metuchen, N.J. : Scarecrow Press, 1978. 1978. 1978 Text ix, 456 p. ; eng