Information:
The Bibliography, Etc. Note (504 tag) of the MARC 21 bibliographic
record contains a note that indicates the presence of a bibliography,
discography, filmography, or other bibliographic references. The 504
tag may also indicate a bibliography in accompanying material
described in the record. This tag may also be used to indicate the
presence of an index if one is present along with a bibliography.
The 504 tag helps the library user determine the usefulness of the
item described in the record. Bibliographies are aids to continuing
research. Discographies and filmographies can be used to locate
material for class presentation or multi-media projects. The
presence of an index may indicate that this item is a better source
for locating certain facts or details within an item than an item
without an index.
AACR2 governs the Bibliography, Etc. Note with rule X.7B18, along with
other notes describing contents. The X represents the particular
chapter number depending on what type of media the librarian is
cataloging. Only 2.7B18 (books), 11.7B18 (microforms), 12.7B18
(serials) mention the bibliography note, but other formats may contain
bibliographic references, or accompanying material with bibliographies.
RDA 7.16.1.3 gives guidelines on "Recording Supplementary Content" With
instructions to record the type, extent, and location within the resource.
The format of the note is similar in AACR2 and RDA, with the term
"Bibliography:" preceding the number of pages. For AACR2 the word pages
is abbreviated "p." and for RDA the word is spelled out. The Library of
Congress/Program for Cooperative Cataloging (LC-PCC PS) prescribes a
different form for this note stating that if the publication contains
biographical citations in any form the note may be entered as:
"Includes bibliographical references." A bibliographic note and an index
note may be combined such as "Includes bibliographical references and index."
Elements from the Bibliography, Etc. Note are also recorded in the
008 fixed fields tag. In character positions 24-27 the letter b is
entered when a bibliography is present, k is entered when a
discography is present, and q is entered for a filmography.
In character position 31 the number 1 is entered when the item
contains an index.
The 504 tag usually only contains the a subfield. Subfield b may
be used to indicate the number of references. Knowing the extent
of the bibliography could help patrons decide whether the item
described is what they need. When subfield b is used, the information
displays as a number at the end of the note.
Adding the Bibliography, Etc. Notes to the bibliographic record will
make the MARC record more useful to library users in deciding which
items in the catalog best meet their needs and where they can go for
further information on their topic.
Indicators
First Undefined
blank Undefined
Second Undefined
blank Undefined
Subfields
a Bibliography, etc. note (NR)
b Number of references (NR)
Punctuation
Subfield a ends with a period unless another mark of punctuation
(!, ?, -) s present.
When subfield b is present, there is no mark of punctuation at
the end of the subfield.
Examples:
The following examples show the Library of Congress style of entering
bibliographical references which includes the index in the 504 tag.
504 _aIncludes bibliographical references (p. [611]-615) and
index. (AACR2)
504 _aIncludes bibliographical references (pages [611]-615) and
index. (RDA)
504 _aIncludes bibliographical references and index.
The AACR2 and RDA style places the index in the 500 (General Note)
tag and the bibliography in a 504 tag as is shown in the next examples.
500 _aIncludes index.
504 _aBibliography: p. 315-336.
_b17 (AACR2)
500 _aIncludes index.
504 _aBibliography: pages 315-336. (RDA)
Since the 504 tag is repeatable, bibliographies, discographies, and
filmographies are listed in separate 504 tags.
504 _aDiscography: p. 103-182. (AACR2)
504 _aFilmography: pages 183-184. (RDA)
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