id author title date pages extension mime words sentence flesch summary cache txt crl-14684 American Library Association, Letters 1991-11-01 3 .pdf application/pdf 1387 67 53 Within fifteen years, space pressure in the main library began to spin off a number of branch libraries, two of which were driven back into the main library by legislative pressures in the 1970s, and three of which are now being united into a science library. My experience with branch libraries indicates that collections are much more heavily used when they are in the same building as the offices and classrooms of their specialties. cache/crl-14684.pdf txt/crl-14684.txt