MARC 21 Concise Format for Classification Data: 253: Complex See Reference (Network Development and MARC Standards Office, Library of Congress)

This is an ARCHIVED VERSION of the 2008 electronic edition of the MARC 21 Concise Formats. Please see loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

Explanatory text and the Classification number referred to that are required when a see reference relationship exists between classification numbers that cannot be adequately conveyed by one or more simple cross references generated from a 453 (Invalid Number Tracing) or 553 (Valid Number Tracing) tracing field.

First - Type of reference

0 - See reference

1 - Standard subdivisions do-not-use reference

2 - Class elsewhere reference

$a - Classification number referred to-single number or beginning number of span (R)

$c - Classification number referred to-ending number of span (R)

$i - Explanatory text (R)

Explanatory text of the see reference or see note. The text may be broken up by subfield $a or $c data and may be only a connector term, such as e.g. or and.

$y - Table sequence number for internal subarrangement or add table (R)

$z - Table identification (R)

Identification of the table to which a classification number recorded in field 253 belongs, if the classification number is part of a table. For a classification number span, subfield $z is given only once, before the first number. Subfield $z is input before the first element of the classification number in the first subfield $a. The identification of the table by which a classification number or span is further sub-arranged is contained in field 762 (Table Identification).

$6 - Linkage (NR)

See the description of this subfield in Appendix A: Control Subfields.

$8 - Field link and sequence number (R)

See the description of this subfield in Appendix A: Control Subfields.


253	1#$iDo not use for comprehensive works on parapsychological and occult forecasting and forecasts; class in$a133.3.$iClass a specific type of forecasting or forecast with the type, without adding notation$z1$a0112 $ifrom Table 1, e.g., astrological methods of forecasting$a133.5


253	2#$iClass conflict in a specific social relation with the relation, e.g., racial conflict$a305.8;$iclass a specific conflict considered an historical event with the event in$a900,$ie.g., disturbances of May-June 1968 in France$a944.0836


253	2#$iFor metabolism within a specific function, system, or organ, see the function, system, or organ, e.g., metabolism of plasma$a612.116


253	2#$iClass illuminated manuscripts and books in specific languages produced in specific countries and localities in$a745.67093$c745.67099


253	2#$iClass systems in a specific subject or discipline with the subject or discipline, plus notation$z1$a011 $ifrom Table 1, e.g., systems theory in the social sciences$a300.11


253	0#$iFor government ownership of a specific mode of transportation, see the mode


253	0#$iFor rules of practice before a separately classed agency, see the issuing agency

253 - Complex See Reference (R)