863 ENUMERATION AND CHRONOLOGY--BASIC BIBLIOGRAPHIC UNIT (R)
Indicators
First Field encoding level
^ No information provided
3 Holdings level 3
4 Holdings level 4
5 Holdings level 4 with piece designation
Second Form of holdings
^ No information provided
0 Compressed
1 Uncompressed
2 Compressed, use textual display
3 Uncompressed, use textual display
4 Item(s) not published
Subfield Codes
$a First level of enumeration (NR)
$b Second level of enumeration (NR)
$c Third level of enumeration (NR)
$d Fourth level of enumeration (NR)
$e Fifth level of enumeration (NR)
$f Sixth level of enumeration (NR)
$g Alternative numbering scheme, first level of enumeration (NR)
$h Alternative numbering scheme, second level of enumeration (NR)
$i First level of chronology (NR)
$j Second level of chronology (NR)
$k Third level of chronology (NR)
$l Fourth level of chronology (NR)
$m Alternative numbering scheme, chronology (NR)
Months Seasons
01-12 21 Spring 23 Autumn 22 Summer 24 Winter
$n Converted Gregorian year (NR)
$p Piece designation (NR)
$q Piece physical condition (NR)
$s Copyright article-fee code (R)
$t Copy number (NR)
$w Break indicator (NR)
g Gap break
n Nongap break
$x Nonpublic note (R)
$z Public note (R)
$3 Date of first issue in sequence
$8 Link and sequence number (NR)