Page 85 - Cataloging and Classification for Library Technicians, 2nd Edition

Subject Headings 71

3. Chro no log i cal subdivisions limit a head ing to a spe cific pe riod
of time.

Ex am ple: Art–16th cen tury
650 0 Art $y 16th cen tury

4. Geo graphic sub di vi sions in di cate the geo graphic lo ca tion. In struc -
tion for the use of geo graphic sub divisions ap pears af ter the heading in a
scope note or is in dicated by (May Subd Geog), which means may be
sub di vided geo graph i cally. Rules for list ing geo graphic sub di vi sions are
outlined in the Library of Con gress Sub ject Head ings Man ual: Sub ject
Head ings. Generally, the es tablished name of the coun try is used if the
material is about a coun try. If the geo graphic en tity is a re gion or a
city, then the name of the coun try pre cedes the name of the re gion or
city. The exception is for the United States, Great Britain, Can ada,
and the for mer So viet Un ion, where the name of the coun try is not
used.

Ex am ple: Art–France
650 0 Art $z France
Art–New York
650 0 Art $z New York

To avoid re peat ing sub di vi sions un der all pos si ble head ings of the
same cat egory, such as sports, dis eases, or mu sical in struments, the
Library of Con gress Sub ject Head ings es tab lished ta bles re ferred to as
“Table of Pat tern Head ings” and “Free-Floating Sub divisions” ap pro-
priate for the same cat egory. These pat tern head ings ap pear in a ta ble in
LCSH.

Examples: Category Pattern Heading
Musical instrument Piano
Diseases Cancer
These ex am ples mean that when as sign ing sub di vi sions for Sax o -
phone, the pat tern for Pi ano is used since both be long to the musical
in stru ment cat e gory. When try ing to find sub di vi sions for Heart At -
tack, one has to look un der Can cer and use the same sub divisions.