Directory of special libraries and information centers / edited by Margaret Labash Young, Harold Chester Young, and Anthony T. Kruzas ; Randa J. D'Aoust and John Schmittroth, Jr., associate editors ; Doris Sears ... [et al.], assistant editors. Young, Margaret Labash. Young, Harold Chester, author. Kruzas, Anthony Thomas, author. Kruzas, Anthony Thomas. Directory of special libraries and information centers. Special libraries United States Directories. Special libraries Canada Directories. Information services United States Directories. Information services Canada Directories. Z731 .Y68 1977 026.056 DIR Vol. 2 has special title: Geographic-personnel index. First-2d ed. edited by A. T. Kruzas. Includes indexes. Detroit : Gale Research Co., c1977. c1977. 1977 Text 2 v. ; eng United States Canada United States Canada