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LIBRARY OF CONGRESS CLASSIFICATION

Subclass ZA (Information Resources)

On March 13, 1996, the Library of Congress approved subclass ZA, Information Resources, as a new subclass of the Library of Congress Classification. Below is the text of subclass ZA, updated through December 1996.



ZA

               Information resources (General)

                   Class here works on sources of information in

                     general, not limited to a specific topic,

                     format, medium, or provider, as well as

                     general works on how to find information.  For

                     works limited to a specific format or medium,

                     see ZA4150+.  For works limited to a specific

                     type of information provider, see ZA5050+. 

                     For works limited to information on a specific

                     subject, see the subject

                   Cf. HC79.I55, Information economy

                   Cf. Q350+, Information theory

                   Cf. T58.5+, Information technology

                   Cf. Z699+, Information storage and retrieval

                     systems

                   For works on information science as a

                     discipline, see Z665+

                   For technical works on online data processing,

                     see QA76.55+

3040             Periodicals.  Societies.  Serials

3045             Congresses

3050             Directories.  Catalogs.  Lists of information

                   sources

3060             General works

3070             Juvenile works

                 Research.  How to find information

3075               General works

3080               Juvenile works

                 Information services.  Information centers

                     Including documentation centers, data

                       libraries, bibiliographical centers, etc.

                     Cf. AG500+, Clipping bureaus

                     Cf. HD9999.I49+, Information services

                       industry

                     Cf. Z662+, Libraries

                     Cf. Z695.93+, Abstracting and indexing

                       services

3150               Periodicals.  Societies.  Serials

3153               Congresses

3155               Directories

3157               General works

3159               By region or country, A-Z

                       Under each country:

                        .x    General works

                        .x2     Individual centers.  By place, A-Z

                 Information superhighway

3201               Periodicals.  Societies.  Serials

3203               Congresses

3225               General works

3235               Juvenile works

3250               By region or country, A-Z

                 Information resources on specific subjects, see

                   the subject

                 Information in specific formats or media

                   Books and other print media, see Z4+

                   Computer network resources

                       For technical works on the

                        telecommunications aspects of computer

                        networks, see TK5105.5

                     Directories.  Catalogs.  Lists of resources

4150                   General

                       Resources of particular networks, online

                        services, etc.

                          Including works on how to use individual

                            networks or online services

                        Internet

4201                      General works

4226                      World Wide Web

                            Cf. TK5105.888, Technology

4251.A-Z                Particular online services, etc., A-Z

4251.A5                   America Online

4251.C6                   CompuServe

4251.E8                   eWorld

4251.D4                   DELPHI

4251.G4                   GEnie

4251.M5                   Microsoft Network

4251.P7                   Prodigy

                     Research.  How to use networks, online

                       services, etc.

4375                   General works

4380                   Juvenile works

                       Particular networks, services, etc., see

                        ZA4201+

                     Computer network resources on specific

                       subjects, see the subject

4390                 Computer bulletin boards

                   Databases

                       Including databases on CD-ROM and other

                        physical media

                       For databases available on specific

                        computer networks or online services, see

                        ZA4201+  

4450                 Catalogs.  Lists of databases

4460                 Research.  How to use databases

                     Databases on specific subjects, see the

                       subject

                   Motion pictures.  Video recordings

4550                 Lists and catalogs                   

                        Class here lists of nonfiction films and

                          video recordings not limited to a

                          specific topic, as well as general lists

                          that include both fiction and nonfiction

                          films

                        For lists of dramatic films, see

                          PN1998.A5-Z

                        For lists of dramatic videos, see

                          PN1992.95

                     Motion pictures and video recordings on

                       specific subjects, see the subject

                   Pictures.  Photographs

                        Cf.. TR640+, Artistic photographs

4650                 Lists and catalogs

                     Pictures and photographs on specific subjects,

                       see the subject

4675                 Picture research

                   Sound recordings

4750                 Discographies.  Lists and catalogs

                        Class here lists of non-music sound

                          recordings not limited to a specific

                          topic, as well as general lists that

                          include both music and non-music sound

                          recordings

                        For works limited to music, see class M

                     Sound recordings on specific subjects, see

                       the subject

                 Information from specific providers

                   Government information

                       Class here works on government information

                        not limited to a specific topic

                       For bibliographies of printed government

                        publications, see Z7164.G7

                       For works on government publicity, see

                        JF1525.P8, JK849, etc.

                       For works on public records, see JK468.P76,

                        JL86.P76, etc.

                       For works on secret and confidential


                        government information, see JK468.S4,

                        JL86.S43, etc.

                     Lists and catalogs of government information

                       resources

5050                   General

5055                   By region or country, A-Z

                     Government information on specific subjects,

                       see the subject

                     Government information in specific formats or

                       media

                       Computer network resources

                        Lists and catalogs of government

                          information resources

5070                      General

                          Government information resources on the

                            Internet, see ZA4201+

                          Government information resources on

                            particular online services, etc., see

                            ZA4251

                        Research.  How to use networks, online

                          services, etc., to retrieve government

                          information

5110                      General works

                          Internet, see ZA4201+

                          Particular online services, etc., see

                            ZA4251

                        Computerized government information

                          resources on specific subjects, see the

                          subject

                       Databases

                          Including databases on CD-ROM and other

                            physical media

                        Lists and catalogs of databases of

                          government information

5180                      General

5185                      By region or country, A-Z

                        Databases of government information on

                          specific subjects, see the subject