Directory of special libraries and information centers - Young, Margaret Labash; Kruzas, Anthony T. 1914-.; Kruzas, Anthony T.; Young, Harold Chester (Detroit Gale Research, 1977)
First (1963) and 2nd (1968-69) ed. by A. T. Kruzas
Vol. 2 has special title: Geographic-personnel index.
Keywords: Libraries, Special -- United States -- Directories; Information services -- Canada -- Directories; Information services -- United States -- Directories; Libraries, Special -- Canada -- Directories