700 Personal Name Added Entry:
1st indicator: Type of personal name
0 Forename
1 Single Surname
2 Multiple surname
3 Family name
2nd indicator: Type of added entry
0 Alternative entry (name)
1 Secondary entry (name or name/title)
2 Analytical entry (name/title/date)
Most common subfield codes:
a Name (surname and forename)
b Numeration (Roman numerals used in the entry element of a name)
c Titles and other words associated with the name
d Dates (of birth, death, or flourishing)
e Relator term
f Date of a work
l Language of a work
q Qualification of name (fuller form)
t Title of a work
5 Institution to which entry applies