The Library of Congress >> Especially
for Librarians and Archivists >> Standards
| MARC21 element | TextMD element | notes | ||
|---|---|---|---|---|
| 516$a | Type of Computer File or Data Note | 0 | If 516$a specifies something other than Text, TextMD is probably not relevant to the object.. | |
| 007/10 | Quality assurance targets | 1 | encoding (QUALITY attribute) | when 007/01=c this byte may be of slight use in formulating the QUALITY statement |
| 007/12 | Level of compression | 1 | encoding (QUALITY attribute) | when 007/01=c this byte may be of slight use in formulating the QUALITY statement |
| 007/13 | Reformatting quality | 1 | encoding (QUALITY attribute) | when 007/01=c this byte may be of slight use in formulating the QUALITY statement |
| 514 | Data Quality Note | 1 | encoding (QUALITY attribute) | but has MARC 514 ever been used for a text dataset? |
| 538 | System Details Note | 1 | encoding | could include platform, software, and/or agent |
| 856 | Electronic Location and Access | 1.2 | encoding_software | esp. 856$c (compression) |
| 538 | System Details Note | 2 | character_info | could include data for various elements |
| 546$b | Language Note: Information code or alphabet | 2.1 | charset | charset is restricted to IANA names |
| 856$r | Electronic Location and Access | 2.3 | byte_size | |
| 008/35-37 | Fixed-Length Data Elements: Language | 3 | language | MARC and TextMD use different landuage code lists. |
| 041 | Language Code | 3 | language | TextMD element requires ISO 639-2 codes; MARC21 defaults to MARC codes, but can be used for ISO 639-2 with an ind 2=7 and $2 combination. |
| 546$a | Language Note | 3 | language | MARC21 note is free text |
| 008/35-37 | Fixed-Length Data Elements: Language | 4 | alt_language | use TextMD element attribute to identify this as a MARC code |
| 041 | Language Code | 4 | alt_language | TextMD allows use of MARC codes, or of any other list of code values. Optional authority attribute of alt_language should be used. |
| 546$a | Language Note | 4 | alt_language | MARC21 note is free text. That appears to be true for alt_language as well. |
| 546$b | Language Note: Information code or alphabet | 5 | font_script | |
| 500 | General Note | 8 | processingNote | |
| 538 | System Details Note | 9 | printRequirements | |
| 856 | Electronic Location and Access | 9 | printRequirements | |
| 538 | System Details Note | 10 | viewingRequirements | |
| 856 | Electronic Location and Access | 10 | viewingRequirements | |
| 500 | General Note | 11 | textNote | |
MARC 21 HOME >> Bibliographic Format >> Overlaps Between MARC21 >> MARC21 to TextMD Mapping
| The Library of Congress >> Especially
for Librarians and Archivists >> Standards ( 12/30/2010 ) |
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