id author title date pages extension mime words sentence flesch summary cache txt crl-10320 White, Carl M. Assistant Directors in the Columbia University Libraries 1947-06-30 8 .pdf application/pdf 3855 342 59 The second stage was one when the director of libraries was also the dean of the school of library service and when he was sup- ported on the library sine by a libnrian in direct charge of the daily operations of the libraries. The use of assistant directors in the Columbia libraries is explained by a desire to keep the span of control for the unified organization within manageable limits and 'the desire, at the same time, to have the strength of the combined staff measure up to the equivalent of the strength of two staffs if they stood separately, one for the libraries and one for the school of library service. cache/crl-10320.pdf txt/crl-10320.txt