025.52
K20I
           Katz, William A
               Introduction to reference work \ William A Katz - 3rd - New York : McGraw Hill, 1969.
               xiii, 367p. - McGraw Hill series in library education/ed. by Jean Key Gates .
                Contents: v.1. Basic information sources

                ISBN: 0-07-033331-9

114762
                Subjects: Reference services (Libraries); Reference books.