Page:Library of Congress Classification Outline.djvu/320

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Subclass ZA

ZA3038-5190 Information resources (General)
ZA3150-3159   Information services. Information centers
ZA3201-3250   Information superhighway
ZA4050-4775   Information in specific formats or media
ZA4050-4480     Electronic information resources
ZA4150-4380       Computer network resources
ZA4450-4460       Databases
ZA4550-4575     Motion pictures. Video recordings
ZA4650-4675     Pictures. Photographs
ZA4750-4775     Sound recordings
ZA5049-5190   Government information