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Management data for collection analysis and development.

Sound management data are needed to evaluate the collections of health sciences libraries. This study reports the utilization of computer data bases to compare the libary collections of The University of Texas Health Science Center at San Antonio. The University of Texas Medical Branch, and the National Library of Medicine's CATLINE data base. The imprint dates of the records of two libraries are compared to measure acquisitions rates. Subject profiles for the Q and W classes demonstrate the similarity of the collections. Reasons for the variances are considered.