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Using the Library of Congress Subject Headings (LCSH)
Using Standard Subdivisions (Subheadings)
LCSH uses subdivisions or subheadings to make a subject heading
more precise. There are four types of subdivisions:
- Topical subdivisions "limit the concept expressed by the heading
to a special topic."
Mormons--Missionary experiences
Copper ores--Analysis
- Form (Format of item--feature films, maps, periodicals, etc.)
Sociology--Periodicals
- Geographical
Education--South Africa
Mining claims--Utah
- Chronological (Time period)
Art, American--20th century
Art, Chinese--to 221 B.C.
Subdivisions can be combined to develop more precise headings.
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