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									                    University Libraries Cataloging and Metadata Services
                    Bibliographic Processing Cataloging Rules

                       010 -- Library of Congress Control Number (LCCN)
                        I.     General Information
                                A.    Definition
                                B.    Source of Information
                                C.    Structure of the Number
                                D.    Indicators and Subfields
                       II.     010|a -- LC Control Number
                                A.    Prefix
                                B.    Suffix
                                C.    Revision Date
                      III.     010|z -- Canceled/Invalid LC Control Number




I. General Information

   A. Definition
            The Library of Congress Control Number (LCCN) is assigned by the Library of
            Congress (LC) to each LC catalog record. LCCN's are often assigned to publishers
            in advance of publication so that the number may be printed in the item or used in
            advertising. The LCCN is unique to each item and is an important access point.

   B. Source of Information
            The LCCN is most often found on the verso of the title page within the Cataloging in
            Publication (CIP) area. The LCCN is occasionally found in other preliminaries or the
            colophon.




            Enter only true Library of Congress control numbers in the 010 field.

  Bibliographic Processing Cataloging Rules : 010 -- Library of Congress Control Number (LCCN) / Last updated 11/22/2011
             Never record look-alike numbers from foreign publications in 010.

             Look-alike numbers appear in foreign CIP records. Foreign CIP records are
             identified by the national library of that country or region at the top of the record as:
             British Library cataloguing in publication data, National Library of Australia
             cataloging in publication data, etc.

    C. Structure of the Number
             The LCCN takes on different looks based on whether it is printed on the item or
             keyed into a new bib record. All forms indicate the same information.

             For LCCNs assigned prior to 2001, the system prefers the machine readable form of
             an 8 digit number with zero's inserted in place of the hyphen to fill in for missing
             digits when fewer than eight are present: 73-33725 has seven digits so one zero is
             inserted in place of the hyphen:
             010 [space][space]73033725.

             Source: 73-33725

             Keying into a bib record: [space][space]73033725

             For LCCNs assigned after 2000, all four digits of the year being indicated in the LC
             number are included, so a 10 digit number with zero's inserted in place of the
             hyphen to fill in for missing digits when fewer than ten are present should be
             entered: 2001-87428 has nine digits so one zero is inserted in place of the hyphen:
             010 [space][space]2001087428.

             Source: 2001-87428

             Keying into a bib record: [space][space]2001087428

    D. Indicators and Subfields
             Both indicators are blank.

             |a LCCN (Not repeatable)
             |z Invalid LCCN (Repeatable)

II. 010 |a -- LC Control Number
    The LCCN may include any or none of the elements listed below.

    A. Prefix
             The prefix consists of three or fewer alphabetic characters. Enter the prefix into The
             Cat in lowercase letters and without a space between the letters and the LCCN.

             010 sn77023488


   Bibliographic Processing Cataloging Rules : 010 -- Library of Congress Control Number (LCCN) / Last updated 11/22/2011
     B. Suffix
              The suffix consists of uppercase alphabetic characters and occurs after the LCCN
              preceded by a slash ( / ) but no space.

              010 79139010/AC

              More than one suffix may be present for a single number. Separate each suffix from
              the one before it by a slash ( / ) but no space.

              010 65077628/AC/MN

     C. Revision Date
              The revision date indicates how many times and the latest date that the bibliographic
              information has been updated. It consists of:

                     " r ",
                     the last two digits of the date of revision,
                     the number of times the record has been revised when applicable.

              Most commonly a revision date appears alone, without indication of number of
              revisions.

              010 79932562//92
              (Revised once in 1992)

              Precede the revision date by a double slash ( // ) when it follows the LCCN.

              010 58062665//r652
              (Rev. 1965 for the second time.)

              Precede the revision date by a slash ( / ) when it follows a suffix

              010 73002284/L/r81

III. 010 |z -- Canceled/Invalid LC Control Number
     This subfield contains a canceled LCCN or an LCCN incorrectly assigned to the item
     described in the record (e.g., an incorrect number printed on a book or used in
     advertisements). The input rules for |z are the same as those for |a described above.
     Subfield |z is almost never used in MLP records. An invalid LCCN is usually identified as
     such during full level processing when more information from copy, etc. is available to
     make this determination.

                             BPCR Table of Contents | Record Creation 010

                         Cataloging Services | University Libraries | Penn State



    Bibliographic Processing Cataloging Rules : 010 -- Library of Congress Control Number (LCCN) / Last updated 11/22/2011

								
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