Definition |
A call number or classification number assigned by the Library and Archives Canada (LAC) or another Canadian organization excluding numbers from the National Library of Medicine (NLM) classification system, the Universal Decimal Classification (UDC), and the Dewey Decimal Classification (DDC). When assigning numbers from classification schemes that are excluded from this field, use these fields:
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Guidelines |
The field may contain a Library of Congress Classification (LCC) number, an LCC-compatible number or a number assigned from some other classification scheme. An LCC-compatible number is a number that has been assigned using the schedules that were specifically developed by LAC for Canadian history (FC, or its precursor F5000) and for Canadian literature (PS8000). Numbers from locally modified or expanded LCC schedules such as KF Modified are not LCC-compatible. Follow an incomplete class number with an asterisk to indicate that the Cutter number varies from English to French. |
| Institutions in Canada |
Use field 055 to assign call numbers and class numbers from schemes other than NLM, UDC, and DDC. Input those numbers in the field appropriate for the number. This field may contain numbers from LC classification schedules, LCC compatible numbers, or other numbers. |
| Institutions outside of Canada |
Use field 055 when transcribing Canadian cataloging copy. |
| Multiple call numbers |
Certain classification choices are recognized to be local decisions. Multiple call numbers in the same classification scheme in a WorldCat record may be appropriate under certain circumstances. For more information, see 050-099 Introduction to Call Numbers. |
1st indicator |
Existence in LAC collection. Whether the item has been added to LAC's collections. |
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Information not provided. Used in any record entered by an institution other than LAC.
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2nd indicator |
Type, completeness, source of class/call number. The type of number involved, whether it is LCC or an LCC-compatible call/class number, or a call/class number assigned from some other classification scheme. The completeness of the number, and whether the number was assigned by Library and Archives Canada or a Canadian organization other than LAC. The term does not include numbers from locally modified or expanded LCC schedules. |
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| 0 |
LCC (or LCC-compatible) call number assigned by LAC
| 055 |
0 |
0 |
TX715.6 ǂb .A76513 2020 |
| [LCC call number assigned by LAC] |
| 055 |
0 |
0 |
PS8576.U57 ǂb L5 2021 |
| [LCC-compatible call number assigned by LAC using Class PS8000: a classification for Canadian literature] |
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| 1 |
Complete LCC (or LCC-compatible) class number assigned by LAC. Use for a class number that does not require a Cutter as a further extension.
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| 2 |
Incomplete LCC (or LCC-compatible) class number assigned by LAC. Use for a class number that does require a Cutter as a further extension.
| 055 |
0 |
2 |
ML420* |
| [LCC ML420.A-Z is for biographies of singers; a Cutter number is required for the singer’s name] |
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| 3 |
LCC (or LCC-compatible) call number assigned by a Canadian organization other than LAC
| 055 |
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3 |
FC35 ǂb .L89 1895 |
| [LCC-compatible call number assigned by a Canadian university library] |
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| 4 |
Complete LCC (or LCC-compatible) class number assigned by a Canadian organization other than LAC. Use for a class number that does not require a Cutter as a further extension. |
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| 5 |
Incomplete LCC (or LCC-compatible) class number assigned by a Canadian organization other than LAC. Use for a class number that does require a Cutter as a further extension.
| 055 |
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5 |
HT164* |
| [LCC HT164.A-Z is for garden cities by region or country; a Cutter number is required for region or country name] |
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| 6 |
Other call number assigned by LAC. Use subfield ǂ2 to specify the source of the call number.
| 055 |
0 |
6 |
KF385.ZA2 ǂb B69 2019 ǂ2 kfmod |
| [Call number assigned by LAC for a book on law in Canada using KF Modified. This number is not compatible with LCC because LCC subclass KF is United States law] |
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| 7 |
Other class number assigned by LAC. Use subfield ǂ2 to specify the source of the call number. |
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| 8 |
Other call number assigned by a Canadian organization other than LAC. Use subfield ǂ2 to specify the source of the call number.
| 055 |
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8 |
KF385 ǂb .M59 2004 ǂ2 kfmod |
| [A call number assigned by a Canadian university library using KF Modified] |
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| 9 |
Other class number assigned by a Canadian organization other than LAC. Use subfield ǂ2 to specify the source of the call number. |
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Subfields |
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| ǂa Classification number |
The classification number portion of the call number. Use separate 055 fields for alternate call numbers.
| 055 |
0 |
0 |
FC2949.S72 ǂb Z49 |
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| ǂb Item number |
The item number portion of the call number.
| 055 |
0 |
0 |
ML420.D592 ǂb C3713 |
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| ǂ0 Authority record control number or standard number |
For information about subfield ǂ0, see Control Subfields. |
| ǂ1 Real World Object URI |
For information about subfield ǂ1, see Control Subfields. |
| ǂ2 Source of call/ class number |
Codes that identify the source list or scheme of the assigned call/class number. Use only if the 2nd indicator value is 6, 7, 8, or 9. See Classification Scheme Source Codes. For information about subfield ǂ2, see Control Subfields.
| 055 |
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8 |
KF385.ZA2 ǂb T34 1989 ǂ2 kfmod |
| [Call number assigned from KF Classification, Modified for Use in Canadian Law Libraries] |
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| ǂ6 Linkage |
Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
| ǂ8 Field link and sequence number |
For information about subfield ǂ8, see Control Subfields. |
Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 055. |
MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 055. |
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