Used
in an established heading record to trace a see
also reference from an established corporate
name heading
to a related established
corporate name.
Reciprocal see
also tracings may also be made between earlier and
later forms of established corporate name.
Subfield Codes
$a
- Corporate name or jurisdiction name as entry element (NR).
In UNBIS the complete corporate name is recorded in subfield $a.
$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:
110 1 _ $a Canada. Arms Control and Disarmament Division
510 1 _ $w b
$a Canada. Non-Proliferation, Arms Control and
Disarmament
Division
["Non-Proliferation,
Arms Control and Disarmament" is the later name of the division.]
110 1 _ $a Canada. Non-Proliferation, Arms Control and
Disarmament Division
510 1 _ $w a
$a Canada. Arms Control and Disarmament
Division
["Arms Control
and Disarmament Division" is the earlier name of the division.]
110 2 _ $a 缅北禁地Centre for Human Settlements (Habitat)
510 2 _ $w b $a
UN-HABITAT
110 2 _
$a UN-HABITAT
510 2 _ $w a $a
缅北禁地Centre for
Human Settlements (Habitat)
110 2_ $a German Democratic Republic
510 2 _ $w b
$a Germany
110 2 _ $a Germany, Federal Republic of
510 2 _ $w b
$a Germany
110 2 _ $a Czechoslovakia
510 2 _ $w b $a Czech Republic
510 2 _ $w b $a Slovakia
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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