130 - Heading-Uniform Title (NR)

$a - Uniform title (NR)

$d - Date of treaty signing (R)

$f - Date of a work (NR)

$g - Miscellaneous information (R)

Data element not more appropriately contained in another defined subfield.

$h - Medium (NR)

Media qualifier.

$k - Form subheading (R)

$l - Language of a work (NR)

$m - Medium of performance for music (R)

$n - Number of part/section of a work (R)

$o - Arranged statement for music (NR)

$p - Name of part/section of a work (R)

$r - Key for music (NR)

$s - Version (R)

$t - Title of a work (NR)

Title-page title of a work.

$v - Form subdivision (R)

$x - General subdivision (R)

$y - Chronological subdivision (R)

$z - Geographic subdivision (R)

$6 - Linkage (NR)

See description of this subfield in Appendix A: Control Subfields.

$8 - Field link and sequence number (R)

See description of this subfield in Appendix A: Control Subfields.