NACO Participants' Manual -3rd Edition - Library of Congress

Simple 4XX and 5XX Cross-referencesI. Apply the guidelines in AACR2, Chapter 26, and the associated LCRIs in formulatingcross-references for 4XXs ("see" or "search under") and 5XXs ("see also" or "search alsounder").II. Do not trace a 4XX "see" reference that would normalize to the same form as the 1XX orto the same form as the 1XX or 5XX in another record. Note that 5XX "see also"references will normalize to the same form as established headings. (See DCM, Z1,Normalization)III. Formulate all references according to AACR and the LCRIs, i.e., in the form in which theywould be constructed if chosen as the heading.IV. Do not end 4XX and 5XX fields with a period unless the heading ends with an initial or anabbreviation.V. See sections below for notes on:A. Simple 4XX "See" Cross-referencesB. Simple 5XX "See Also" Cross-references27