Tracing for a topical term see from reference.
Used in an established heading or established heading and subdivision record to trace a see from reference from a topical term not used in an established heading.
See field 150 for descriptions of most content designators.
450 | ##$aEnglish drama$xAfrican authors |
450 | ##$aMusic$y15th century$xTheory |
450 | ##$aExclamations (Linguistics) |