Library cooperation Libraries 17 Academic libraries 15 Congresses 12 Library information networks 9 Information services 6 Automation 3 International cooperation 3 Bibliographical services 2 Case studies 2 Catalogs, Union 2 Centralized processing (Libraries) 2 Collection development 2 Directories 2 Interlibrary loans 2 International librarianship 2 Libraries and community 2 Libraries and education 2 Library science 2 Periodicals 2 Public libraries 2 Research libraries 2 Acquisitions (Libraries) 1 Administration 1 Bibliographical centers 1 Cataloging 1 Cataloging, Cooperative 1 Circulation 1 Circulation, loans 1 Digital libraries 1