MARC 21 Format for Bibliographic Data: 100: Main Entry-Personal Name (Network Development and MARC Standards Office, Library of Congress)

First - Type of personal name entry element: 0 - Forename
Forename or a name consisting of words, initials, letters, etc., that are formatted in direct order.; 1 - Surname
Single or multiple surname formatted in inverted order or a single name without forenames that is known to be a surname.; 3 - Family name
Name represents a family, clan, dynasty, house, or other such group and may be formatted in direct or inverted order.
Second - Undefined: # - Undefined

$a - Personal name (NR): Surname and/or forename; letters, initials, abbreviations, phrases, or numbers used in place of a name; or a family name.

$b - Numeration (NR): Roman numeral or a roman numeral and a subsequent part of a forename when the first indicator value is 0.

$d - Dates associated with a name (NR): Dates of birth, death, or flourishing, or any other date associated with a name.

$e - Relator term (R): Describes the relationship between a name and a work.

$f - Date of a work (NR): Date of publication used with a title of a work in a name/title field.

$g - Miscellaneous information (R): Not more appropriately contained in another defined subfield.

$j - Attribution qualifier (R): Attribution information for names when the responsibility is unknown, uncertain, fictitious or pseudonymous.

$l - Language of a work (NR): Name of a language(s) used with a title of a work in a name/title field.

$n - Number of part/section of a work (R): Number designation for a part or section of a work used with a title in a name/title field.

$p - Name of part/section of a work (R): Name designation of a part or section of a work used with a title in a name/title field.

$q - Fuller form of name (NR): More complete form of the name contained in subfield $a.

$t - Title of a work (NR): Uniform title, a title page title of a work, or a series title used in a name/title field.

$0 - Authority record control number or standard number (R): See description of this subfield in Appendix A: Control Subfields.

$1 - Real World Object URI (R): See description of this subfield in Appendix A: Control Subfields.

$4 - Relationship (R): Code or URI that specifies the relationship between a name and a work. A source of relationship codes is: MARC Code List for Relators.

$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.

100	1#$aBach, Johann Sebastian.$4aut$0(DE-101c)310008891
100	3#$aFarquhar family.
100	1#$aMorgan, John Pierpont,$d1837-1913,$ecollector.
100	0#$aJohn,$cthe Baptist, Saint.
100	0#$aJohn$bII Comnenus,$cEmperor of the East,$d1088-1143.
100	0#$a110908.
100	0#$aDr. X.
100	0#$aAuthor of The diary of a physician,$d1807-1877.
100	0#$aClaude,$cd'Abbeville, pere,$dd. 1632.
100	0#$aHoward.
100	1#$aFitzgerald, David.
100	1#$aChiang, Kai-shek,$d1887-1975.
100	1#$aWatson,$cRev.
100	1#$aQ., Mike.
100	1#$aBlackbeard, Author of,$d1777-1852.
100	1#$aLe Conte, John Eatton,$d1784-1860.
100	1#$aEl-Abiad, Ahmed H.,$d1926-
100	0#$aJohn Paul$bII,$cPope,$d1920-
100	1#$aSeuss,$cDr.
100	1#$aChurchill, Winston,$cSir,$d1874-1965.
100	1#$aWard, Humphrey,$cMrs.,$d1851-1920.
100	1#$aWalle-Lissnijder,$cvande.
100	0#$aThomas,$cAquinas, Saint,$d1225?-1274.
100	0#$aBlack Foot,$cChief,$dd. 1877$c(Spirit)
100	1#$aLevi, James,$dfl. 1706-1739.
100	1#$aJoannes Aegidius, Zamorensis,$d1240 or 41-ca. 1316.
100	0#$aH. D.$q(Hilda Doolittle),$d1886-1961.
100	1#$aGresham, G. A.$q(Geoffrey Austin)
100	1#$aSmith, Elizabeth$q(Ann Elizabeth)
100	1#$aBeeton,$cMrs.$q(Isabella Mary),$d1836-1865.
100	1#$a`Atthawimonbandit (To),$cPhra,$d1883-1973.
100	1#$aBrown, B. F.$uChemistry Dept., American University.
100	0#$aE.S.,$cMeister,$d15th cent.,$jFollower of
100	1#$aReynolds, Joshua,$cSir,$d1723-1792,$jPupil of

100 - Main Entry-Personal Name (NR)