Page 79 - Cataloging and Classification for Library Technicians, 2nd Edition
P. 79

Subject Headings                    65

                               pat tern head ing: For each cat egory of sub ject heading, a stan dard-
                               ized set of sub divisions is devel oped. To save space, these sub divi-
                               sions are printed under only one sub ject heading belong ing to the
                               category, and this sub ject heading is called a pat tern head ing.
                               RT: Lists the related topic(s). These are other sub ject headings that in
                               some man ner relate to the topic.
                               SA: This is a “see also” ref erence that refers the user to an entire
                               group of addi tional headings.
                               scope note: A note under the sub ject heading to explain and clar ify
                               how the term should be used, and not ing what is included and what is
                               not included when the term is used.

                               sub ject sub di vi sion: Words or phrases fol lowing a sub ject heading
                               after a dash that make the sub ject more spe cific. The sub division may
                               be top i cal, a phys i cal form, geo graph ical, or chro no log i cal.

                               UF: Means “used for,” which is oppo site from USE. The term before
                               UF is the cho sen head ing. The one listed after ward is not to be used.

                               USE: Indi cates that the term listed is not to be used because it is not a
                               uniform term that has been cho sen as a legit imate term. The term
                               listed after “USE” should be used instead.


                                    LIBRARY OF CONGRESS SUBJECT HEADINGS

                                 Now in its twenty-sec ond edi tion, pub lished in 1999, Li brary of
                               Con gress Sub ject Head ings, or LCSH for short, has a more than one-
                               hun dred-year his tory of de vel op ment. It is an ac cu mu la tion of sub ject
                               headings es tablished by the Library of Con gress since 1898 and is the
                               most com prehensive list of sub ject headings in the world, used by
                               thousands of li braries as well as com mercial in dexes. It pro vides an
                               al pha bet i cal list of all sub ject head ings, cross-ref er ences, and sub di -
                               visions. Since thou sands of head ings with sub divisions are added to
                               LCSH each year, the Li brary of Con gress has pub lished the fol low-
                               ing aids for cat alogers to use in con junction with Library of Con gress
                               Sub ject Head ings. They are pub lished on a reg ular ba sis and con tain
                               information on pol icies and ac tions of the Library of Con gress re -
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