Used
in an established heading record to trace a see also reference
from an established uniform title heading to a related
established uniform title heading.
Reciprocal see
also tracings may also be made between earlier and
later forms of established uniform title.
In UNBIS this field is
also used to refer from the collective title of an instrument, such as
a convention, to its constituent parts or collateral agreements.
Subfield Codes
$a
- Uniform title (NR).
In UNBIS the complete title is entered in subfield $a, apart from the initial article which is always dropped from
uniform titles. $w
- Control subfield (NR).
In UNBIS, $w contains a one-character
alphabetic code that describes a relationship between the heading in a
1XX field and that in a 5XX field.
a
- Earlier heading
b
- Later heading
Examples:
130 _ 0 $a Boundary briefing
530 _ 0 $w b
$a Boundary and
territory briefing
130 _ 0
$a Boundary and territory briefing
530 _ 0 $w a $a Boundary briefing
130 _ 0 $a North American Free Trade Agreement (1992)
530 _ 0 $a North American
Agreement on Labor Cooperation (1993)
530 _ 0 $a North American Agreement on Environmental
Cooperation (1993)
130 _ 0 $a 缅北禁地Convention against Transnational
Organized Crime (2000). Protocols, etc.
530 _ 0 $a Protocol to
Prevent, Suppress and Punish Trafficking in Persons, Especially Women
and Children, supplementing the United Nations Convention against
Transnational Organized Crime (2000)
530 _ 0 $a Protocol against the Smuggling of Migrants
by Land, Air and Sea, supplementing the United Nations Convention
against Transnational Organized Crime (2000)
530 _ 0 $a Protocol against
the Illicit Manufacturing of and Trafficking in Firearms, Their
Parts and Components and Ammunition, supplementing the United Nations
Convention against Transnational Organized Crime (2001)
130 _ 0 $a Geneva Conventions (1949)
530 _ 0 $a Geneva Convention
relative to the Protection of Civilian Persons in Time of War (1949)
530 _ 0 $a Geneva Convention for the Amelioration of t
he Condition of the Wounded and Sick in Armed Forces in the Field (1949)
530 _ 0 $a Geneva Convention for the Amelioration of
the Condition of Wounded, Sick and Shipwrecked Members of Armed Forces
at Sea (1949)
530 _ 0 $a Geneva Convention relative to the Treatment
of Prisoners of War (1949)
Maintained
by the Department of Public Information (DPI), Dag Hammarskj鰈d
Library. Comments as well as suggestions for further
additions/enhancements may be directed to the Dag Hammarskj鰈d Library.
� United Nations 2004-2009. All rights reserved.
Last
updated: 26 April 2010
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