Mandatory. Repeatable.
Indicator 1: Blank
Indicator 2: Blank
$a Country code (NR)(M)
$b Institution (NR)(M)
$c Sublocation (NR)(A)
$d Shelfmark of original item (NR)(M)
$e Holdings information (R)(A)
Multivolume works or serials: Name the volumes held by the library. For the volumes reproduced in surrogate see tag 961 Holdings of the reproduction (Serials).
$f Retention information (NR)(O)