MARC 21 Concise Classification: Complex See Also Reference Fields (3XX)

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

Information for Translators and Other Users
Items highlighted in red indicate changes made after the 2003 edition of the MARC 21 Concise Formats was published and are included in the 2004 printed edition of the MARC 21 Concise Formats.