MARC 21 Concise Classification:
Complex See Reference Fields (2XX)


This is an ARCHIVED VERSION of the 2002 electronic edition of the MARC 21 Concise Formats. Please see www.loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

Complex see references contain explanatory text and classification numbers referred to when the relationship that exists between classification numbers cannot be adequately conveyed using simple cross references. In the MARC 21 classification format, only one Complex See Reference field is currently defined.

Information for Translators and Other Users
Items highlighted in red indicate changes made after the 2001 edition of the MARC 21 Concise Formats was published and are included in the 2002 printed edition of the MARC 21 Concise Formats.


253 - COMPLEX SEE REFERENCE (R)

The 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 or 553 tracing field.

Indicators

Subfield Codes

Examples


253

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

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

1#$iDo not use; class comprehensive works on parapsychological and occult forecasting and forecasts in$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,$ie.g., the disturbances of May-June 1968 in France$a944.0836

253

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

253

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

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

2#$iClass treatment with respect to miscellaneous specific kinds of persons of a specific racial, ethnic, national group in$z1$a081$c088$ie.g., Chinese children$z1$a083;$iclass persons treatment (e.g., biography) of members of a specific racial, ethnic, national groups in$z1$a0923;$iclass treatment with respect to specific racial, ethnic, national groups in places where they predominate$z1$a091$c099

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