Authority linking - mapping rules

General requirements

1. MARC bib field 100/110/111 can only link to MARC authority record 100/110/111 without $t

2. MARC bib field 240 can only link to MARC authority record 100/110/111 with $t

3. When linking MARC bib field 240 to MARC authority 100/110/111, $t value controls/updates 240 $a.

4. Can only link a bib field to one authority heading

5. 6XX Indicator 2 - TBD

6. No authority control subfields can populate a bib field

Type	Authority heading 1XX	Can only link/control bib fields	bib subfields that cannot be controlled	Notes
Name (personal)	100 without $t	100/700/800	$e, $4, $u for all $v/$x/$y/$z for 100/700/800
Name (corporate)	110 without $t	110/710/810	$e, $4, $u for all $v/$x/$y/$z for 110/710/810
Name (meeting/conference)	111without $t	111/711/811	$j, $4, $u for all $v/$x/$y/$z for 111/711/811
Name + title (personal)	100 with $t	240/700/800	$e,$4, $u for 600/700/800 $v/$x/$y/$z for 240/700/800 $d, $4, and all name subfields for 240	MARC bib field 240 will only be linked/controlled to the following 100 authority Name+Title subfields. MARC authority 100 $t will link and control MARC bib field 240 $a Title portion-auth subfields $f - Date of a work (NR) $h - Medium (NR) $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) Name and title portions - auth subfields $g - Miscellaneous information (R)
Name + title (corporate)	110 with $t	240/710/810	$e,$4,$u for 610/710/810 $v/$x/$y/$z for 240/710/810 $4 and all name subfields for 240	MARC bib field 240 will only be linked/controlled to the following 110 authority Name+Title subfields. MARC authority 110 $t will link and control MARC bib field 240 $a Name and title portions - auth subfields $d - Date of meeting or treaty signing (R) $g - Miscellaneous information (R) $n - Number of part/section/meeting (R) Title portion - auth subfields $f - Date of a work (NR) $h - Medium (NR) $k - Form subheading (R) $l - Language of a work (NR) $m - Medium of performance for music (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)
Name + title (meeting/conference)	111 with $t	240/711/811	$j, $u, $4 for 611/711/811 $v/$x/$y/$z for 240/711/811 $4 and all name subfields for 240	MARC bib field 240 will only be linked/controlled to the following 111 authority Name+Title subfields. MARC authority 111 $t will link and control MARC bib field 240 $a Title portion-auth subfields $f - Date of a work (NR) $h - Medium (NR) $k - Form subheading (R) $l - Language of a work (NR) $p - Name of part/section of a work (R) $s - Version (R) $t - Title of a work (NR) Name and title portions - auth subfields $d - Date of meeting or treaty signing (R) $g - Miscellaneous information (R) $n - Number of part/section/meeting (R)
Uniform Title	130	130/730/830	$v/$x/$y/$z for 730/830
Subject - Topical	150	650	$c, $d, $e, $4
Subject - Genre	155	655	$b, $c
Geographic	151	651	$e, $4
Names	100/110/111	600/610/611
Uniform Title	130	630