Except when they require unique references, need to have subdivisions listed under them, or serve as examples, the following categories of valid subject headings are not enumerated in the list: headings for persons, headings for corporate bodies, headings for jurisdictions, uniform titles, combinations of valid main headings with free-floating subdivisions or phrases, headings for instrumental chamber music not entered under musical form, and headings for musical forms with qualifiers specifying instruments.

See also:

13.0 Scope of headings displayed in the Subject Authority File