Computers 8 Books and reading 6 Information technology 5 Publishers and publishing 5 Classification, Dewey Decimal 4 Electronic data processing 4 History 4 Juvenile literature 4 Periodicals 4 Reading interests 4 Book industries and trade 3 Communication 3 Computer 3 Handbooks, manuals, etc 3 Programming languages (Electronic computers) 3 Publishing 3 Standards 3 Bibliography 2 Biography 2 Computer graphics 2 Computer networks 2 Computer organization 2 Computer security 2 Computer software 2 Descriptive cataloging 2 Dictionaries 2 Government publications 2 Information science 2 Internet (Computer network) 2 Journalism 2