Grogan's Case studies in reference work : 3 bibliographies of books - Grogan, Denis Joseph; Grogan, Denis Joseph; Grogan, Denis Joseph (London : C. Bingley, 1987)
-- v. 3. Bibliographies of books -- v. 4. Periodicals and their guides.
Includes indexes.
Keywords: Reference services (Libraries) -- Case studies; Library science -- Case studies