| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Source of call number 0 - Assigned by LAC 4 - Assigned by agency other than LAC |
| Subfield Codes | |
|---|---|
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Call number for a series assigned in Canada if the institution has classified all or part of the series as a collected set, or with a main series, e.g. field 646 (Series Classification Practice), subfield $a, code c or m.
Field 055 may also contain the volumes/dates to which the number applies. Varying numbers for different ranges of volumes/dates within a series or different copies or sets are contained in separate 055 fields.
Note that call numbers/class numbers to be recorded in field 055 include those assigned from the Library of Congress classification schedules, and those from schedules specially developed by Library and Archives Canada for Canadian history and literature.
First Indicator - Undefined
Undefined and contains a blank (#).
Second Indicator - Source of call number
Whether the source of the call number is Library and Archives Canada or another organization.
MARC code for the organization is carried in subfield $5.
| 055 | #4$aLC1046.13$bA4$5CaOON | ||||||||
$a - Classification number
Alternate call numbers are recorded in separate 055 fields.
| 055 | #0$aRS114 O5$bP73$d1970-1979 | ||||||||
| 130 | #0$aPractice management | ||||||||
$b - Item number
| 055 | #0$aHB31$bE285 | ||||||||
| 130 | #0$aEconomics discussion paper (University of Regina. Department of Economics) | ||||||||
$d - Volumes/dates to which call number applies
Statement identifying those items in the series to which the call number applies. Used only when the call number does not apply to all items of the series. This subfield may also contain a copy (or set) number.
$0 - Authority record control number or standard number
See description of this subfield in Appendix A: Control Subfields.
$1 - Real World Object URI
See description of this subfield in Appendix A: Control Subfields.
$2 - Number source
Source list or scheme from which the call/class number was assigned.
Code from: Classification Scheme Source Codes.
| 130 | #0$aCanadian historic sites | ||||||||
| 055 | #4$aFC18$bC353$2fcps$5CaQMG [Call number assigned from Class FC: a Classification for Canadian History.] |
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$5 - Institution to which field applies
See description of this subfield in Appendix A: Control Subfields.
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Capitalization - Alphabetic characters in the classification number portion of the field are always uppercase. No space separates the alphabetic character(s) from the class number.
Order - 055 field for a current call number precedes the 055 field for an earlier call number.