00635nam0a22002171i 450 SBL066593920201211001545.0SBN19940527d1979 ||||0itac50 baengusz01i xxxe z01n<<A >>theory of librarianshipRonald Bryson ...Ann Arbor, Mich.LondonUniversity microfilms international1979VI, 85, 4 c.ill.21 cm.Bryson, Ernest RonaldSBLV287338Bryson, RonaldSBLV287339Bryson, Ernest RonaldITIT-FI009819940527BKBK