Bibliography 35 Dictionaries 27 Computers 20 Curiosities and wonders 17 Computer programs 16 Handbooks, manuals, etc 16 Libraries 16 Computer networks 15 Business 14 Library science 14 Periodicals 14 Directories 11 History 11 World records 11 Electronic data processing 10 Indexes 10 Database management 9 Classification, Dewey Decimal 8 Computer 8 Encyclopedias and dictionaries 8 Internet 8 Questions and answers 8 Information technology 7 Web sites 7 Books 6 Cataloging 6 Certification 6 Classification 6 Computer security 5 Data processing 5