Information:
The Heading - Geographic Name (151 tag) of the MARC 21
authority record contains an established form of the
name for a place.
Geographic names include names of planets, continents,
countries, regions, states, cities, neighborhoods,
oceans, rivers, lakes, mountains, and other geographic
features. These may be used as subject headings.
Some geographic names are included in the Library
of Congress Subject Headings (LCSH), the Sears
List of Subject Headings, and the Library of
Congress Annotated Card or AC headings for children's
literature. Geographic names used as subject headings
may also be found in the Cataloging in Publication
(CIP) on the verso of the title page in many books.
Geographic names are established according to the
rules in chapter 23 of the Anglo-American
Cataloguing Rules (AACR2). In addition to
established headings, local libraries may add their
own subject headings for local use. The examples below
should be useful in setting up geographic names when
there is no established form available.
Indicators
First Undefined
blank Undefined
Second Undefined
blank Undefined
Subfields
Name portion
a Geographic name (NR)
Subject subdivision portion
v Form subdivision (R)
x General subdivision (R)
y Chronological subdivision (R)
z Geographical subdivision (R)
Examples:
LCSH
151 _aSun
151 _aMars (Planet)
_vJuvenile literature
151 _aAsia, Central
151 _aSouthwest, New
_xDescription and travel
151 _aUnited States
_xForeign relations
_zJapan
151 _aClear Lake (Iowa)[a city]
151 _aClear Lake (Cerro Gordo County, Iowa :
Lake)[a lake]
151 _aClear Lake (Steuben County, Ind. :
Township)[a township]
151 _aAthens (Greece)
_xHistory
_yDuchy, 1205-1458
151 _aWashington (D.C.)
151 _aWashington (State)
151 _aHarlem (New York, N.Y.)
151 _aPacific Ocean
151 _aGreat Lakes
151 _aGreat Lakes Region
151 _aRed River (Ky.)
151 _aNile River
151 _aNile River Valley
151 _aNile River Watershed
151 _aEverest, Mount (China and Nepal)
Sears
151 _aCentral Asia
151 _aSouthwestern States
AC
151 _aWest (U.S.)
_vFiction
Local
151 _aMain Street (Keller, Tex.)
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