025.5
R196D
           Ranganathan, S R (Ed.)
               Depth classification and reference service and reference material papers for discussion at the All India Library Conference (10th:1953: Hyderabad) \ S R Ranganathan - Delhi : Indian Library Association, 1953.
               444p. - Indian Library Association Englsih series; 6 .
13940
                Subjects: Reference services (libraries); Reference sources; Information services; Classification.