First Indicator Undefined # - Undefined |
Second Indicator Undefined # - Undefined |
Subfield Codes |
|
$i - Reference instruction phrase (NR) $v - Form subdivision (R) $w - Control subfield (NR) /0 - Special relationship /1 - Tracing use restriction /2 - Earlier form of heading /3 - Reference display |
$x - General subdivision (R) $y - Chronological subdivision (R) $z - Geographic subdivision (R) $0 - Record control number (R) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R) |
Tracing for a chronological subdivision see also from reference.
Used in an established heading or established heading and subdivision record to trace a see also from reference from an authorized chronological subdivision to a related established heading.
Most of the content designators defined for field 582 are the same as those defined for field 182 (Heading-Chronological Subdivision), field 482 (See From Tracing-Chronological Subdivision), and field 782 (Subdivision Heading Linking Entry-Chronological Subdivision). Description, guidelines, and input conventions for shared content designators are given in the X82 Chronological Subdivisions-General Information section.
Guidelines for applying the subfield $w (Control subfield) and subfield $i (Reference instruction phrase) in field 582 are given in the Tracings and References-General Information section.
150 | ##$aCuban Missile Crisis, 1962 | ||||||||
582 | ##$wg$y1961-1963 |
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