997 Editing Status
| Mandatory | Repeatable | Editable |
|---|---|---|
| no | may occur only once per ownership description | yes |
Scope
Indicates the reliability of the information given on a specific piece of evidence and the type of source from which it has been gained.
Indicators
- Indicator 1: | undefined (fill-character)
- Indicator 2: | undefined (fill-character)
Subfields
- $6 (M;NR) Evidence Sequence Number
- $a (M;NR) Level of certainty
- $b (M;NR) Type of source
Input Conventions
The evidence sequence number in $6 groups all chunks of information that describe the evidence for a specific ownership. All fields with an identical subfield $6 within a record describe the same ownership.
$a is a coded subfield with exact one code position:
| a | The recording of this piece of evidence is considered certain. |
| b | The recording of this piece of evidence is considered uncertain. |
$b is a coded subfield with up to 6 code positions. The code positions are filled from left to right, any unused code position is left empty.
| a | Book in Hand |
| b | Bibliography |
| c | Library Catalogue |
| e | Auction/Sales Catalogue |
| f | Hist. Library Catalogue / Accession Journal |
| x | unknown/other |
help/incunabula/997.txt · Last modified: by jahnke
