Library science Libraries 231 Information science 150 Librarians 97 Automation 90 Vocational guidance 87 Technological innovations 71 more ... Data processing 63 History 51 Research 49 Information technology 45 Philosophy 38 Libraries and society 35 Library education 30 Library administration 27 Professional ethics 27 Methodology 26 Societies, etc 26 Information services 25 Employment 24 Academic libraries 23 Forecasting 22 Moral and ethical aspects 20 Public libraries 20 Administration 19 Public services (Libraries) 19 Career development 18 Social aspects 18 Bibliography 17 School libraries 17 less ...