Page 60 - DLIS103_LIBRARY_CLASSIFICATION_AND_CATALOGUING_THEORY

Unit 8: Cataloguing

8.2 The Alphabetical—Classified Catalogue Notes
The General Alphabetical Catalogue (GAC) of books represents the main part of NLR reference,
incorporating catalogues of books, periodicals and serials, graphic and cartographic publications,
standards and other technical documents, author‘s published in Russian, Ukrainian, Byelorussian,
and in foreign European languages. The General Authors/Titles catalogue contains bibliographic
entries for books in the main Library collection, including those appearing in special catalogues
(in the Central Reference Library, “Rossica” and “Polygraphy” collections, Art Prints and National
Literature).
The GAC is currently converted to electronic form by card scanning with subsequent conversion
to text- and machine-readable catalogue formats. Library users can access the scanned GAC by
searching the local network. The Library also provides a GAC copy on microfiche.
Russian books published from 1980 also appear in the NLR electronic catalogue providing access by
individual authors and corporate body names, titles, subject headings and some other access points.

General Alphabetical Catalogue
From 1725 to the present time General Alphabetical Catalogue, contains bibliographic records for
books, periodicals and serials, graphic and cartographic publications, technical standards and
other technical documents, author’s abstracts of dissertations. The catalogue includes some records
of books that are not in the Library, with the cards marked by “Desiderat…” Early-printed and
Slavonic-script books, Braille, music, maps (sheet) and newspapers are excluded.

8.3 Card Book Catalogue

It is a catalogue in book or loose-leaf form. If it is in loose form extra leaves can be mounted as and
when required. In book form also there are provisions for adding new leaves. Entries are prepared
in strips of paper and pasted on leaves.

Advantages
(i) New additions of entries can be made
(ii) Withdrawal of entries is possible
(iii) It is portable and convenient.

Disadvantages
(i) Pages easily get folded when used
(ii) More chances for wear and tear.
(iii) Difficult to multiply the copy.

8.4 Computerized and Online (OPAC) Catalogues

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