At the time of the first lecture, April 11, 1949, there was considerable interest at the University in different methods of organizing materials for use. Accordingly, Dr. Maurice F. Tauber, Professor, School of Library Service, Columbia University, was asked to speak on some phase of classification in university libraries today. Dr. Tauber is well known as a specialist in this field, having done research in it at the University of Chicago, where he received the Ph.D. degree. He has held the following library positions: Head, Catalog Department, Temple University; Chief, Preparations Division, University of Chicago; and Assistant Director in charge of Technical Processes, Columbia University. The second lecture, that by Dr. Louis Round Wils...