Page 38 - Cataloging and Classification for Library Technicians, 2nd Edition

22 Cataloging and Classification for Library Technicians
Can ada, and Aus tra lia. AACR2R supplies rules for the phys ical de -
scription of ma terials of all for mats, in cluding books, pam phlets,
printed sheets, car to graphic ma te ri als, manu scripts, mu sic and sound
re cord ings, mo tion pic tures and videorecordings, graphic ma te ri als,
com puter files, three-di men sional ar ti facts and realia, mi cro form,
and se rials. It also pres ents rules for es tablishing the ac cess points
(also re ferred to as head ings or entries) for us ers to re trieve ma terials,
technically re ferred to as main and added en tries. AACR2R is dis-
cussed in de tail in Chap ter 4 of this text.
An elec tronic CD-ROM format of AACR2R, called AACR2R-e is
available for use. AACR2R can also be found on a CD-ROM disk
produced by the Library of Con gress ti tled Cat a loger’s Desk top.
From this disk, the cataloger can look up rules while cat aloging on
the same screen. In addition to the con tents of AACR2R, Cat a loger’s
Desk top also in cludes many other Li brary of Con gress pub lications
that are used as ref erences when cat aloging on line: Library of Con -
gress Rules In ter pre ta tions; Sub ject Cat a loging Man ual: Clas si fi ca -
tion; Sub ject Cat a loging Man ual: Shelflistings; MARC 21 for Bib-
liographic Data; USMARC For mat for Au thority Data; USMARC
Format for Hold ings Data; USMARC For mat for Clas si fi ca tion Data;
USMARC For mat for Com mu nity In for ma tion; the latest edi tion of all
five USMARC Code Lists; plus fifteen other pub lications in more spe -
cific ar eas. Cat a loger’s Desk top is fully up dated quar terly.

LIBRARY OF CONGRESS SUBJECT HEADINGS

The se lec tion and as sign ment of sub ject head ings to ma te ri als is
the sec ond step in com pleting the cataloging pro cess. Library of Con -
gress Sub ject Head ings, usu ally called LCSH for short, is one of the
two tools used to per form this task. Up dated con stantly, LCSH es tab-
lishes sub ject terms to be used by cat alogers when as signing sub ject
headings for a particular item. Furthermore, it establishes terms re-
lated to the sub ject at hand, plus broader and nar rower re lated terms.
Finally, it lists terms that the cataloging staff should not use. Now in
its twenty-second edi tion (1999), LCSH has been adopted and is used
by thou sands of li braries and a mul titude of print in dexes.
The print edition of LCSH is up dated an nually and is available in
microfiche for mat, which is up dated quar terly. The electronic ver -