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DL Data Dictionary (MMF2)
Descriptive Elements
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See also:  Structural Metadata (Holdings),  DL Record Format

DLDD TAG DLDD ELEMENT NAME
MARC21
EQUIVALENT
APIS USAGE APIS
REPEAT- ABILITY 		APIS: Req./Opt. COMMENTS
dd001 Control Number 001 APIS ID NR Req See also APIS ID Number Conventions
dd035 System Control Number 035 $a Contributing institution's control number R Opt See also APIS Institution / Repository Codes
dd041 Language Code(s) 041 $a Language code(s) NR Req. if available Use LC codes or APIS-modified LC Codes; if language unknown, omit 041
dd046_a Type of Date Code 046$a n/a NR n/a Use MARC 046$a codes
dd046 Date 008/06-14, 046 Normalized dates for searching R Req. if available Use minus sign for BCE dates; if no dates have been assigned, omit 046; See also APIS Date Conventions
    [SEE ALSO ALTERNATE DATE OPTION BELOW]
dd090 Local Call Number [090 $a] Inventory number R Req. Repeat field for multiple Inventory numbers

dd100_a

 Name, Personal 100, 600, 700 $a etc. Name R Req. if applicable See also APIS Personal Name Conventions
dd100_d Dates associated w. Name

100, 600, 700 $d

Dates associated w. Name R Opt.  
dd100_g Name, Misc. Qualifier 100, 600, 700 $g Added name information R Opt. e.g., "daughter of [- - -] Nomissianus, wife of Marcus Petronius Servillius"
dd100_4
 Relator Code 100, 600, 700 $4 Personal Name / Role R Req. if applicable "r" changed to "4" (4/1/02)
See USMARC Code List  for specific codes. See also Note 1
dd110_a
 Name, Corporate 110/111, 610/611, 710/711, 810/811
$a etc.		 -- R --  
dd110_4
 Relator Code 110, 610, 710 $4 --- R -- See USMARC Code List  for specific codes. See also Note 1
Added 10/29/02.
dd130 Uniform Title / Main Entry 130 Uniform Title / Main Entry NR Opt. Added 10/29/02.
dd240 Uniform Title 240 Uniform Title NR Opt. Added 10/29/02.
dd245_a Title Statement 245 $a etc. Type of text, title NR Req. Do NOT include date here; use dd245_f
dd245_f Inclusive Dates 245 $f Modern, textual dates NR Req., if available If no date is available, omit dd245_f
dd260_a Place of publication, distribution, etc. 260 $a etc. -- -- -- Added 10/29/02.
dd260_b Name of publisher, distributor, etc. 260 $a etc. -- -- -- Added 10/29/02.
dd260_c Date of publication, distribution, etc. 260 $a etc.   --    
dd300 Physical Description 300 $a$b$c etc. Physical Desc. NR dd300 or dd300_a Req. If phys desc. data is formatted, dd300_a, dd300_b, and/or dd300_c should be used. If unformatted, dd300 may be used instead. Either dd300 or dd300_a must be present in contributed records.
dd300_a Physical Description: Extent 300 $a Extent NR See note
dd300_b Physical Description: Other characteristics 300 $b Other characteristics NR See note
dd300_c Physical Description: Dimensions 300 $c Dimensions NR See note
dd340_e Support 340 $e Support material

NR

   Deprecated; use dd655_phy
dd500 General Note 500 $a General note R Opt.  
dd500_lin Note: Lines of Text 500 $a Note: Lines of Text NR Opt.  
dd500_pal Note: Paleographic Description 500 $a Note: Paleographic Description NR Opt.  
dd500_rec Note: Recto/Verso Note 500 $a Note: Recto/Verso note NR Opt.  
dd500_tra Translation of Text -- Translation of text NR Opt.  
dd510 Citation/References Note 510 $a etc. References R Opt. Prefer dd510_pub for key publication citations; use dd510 for narrative note and/or cites to non-authoritative publications
dd510_dd DDBDP Link n/a Duke Databank link R R/A See APIS DDBDP Link Syntax
dd510_pub Citation/References Note 510 $a etc. Publication Citation R R/A

Use for authoritative publication citation; one citation per field only Added 6/4/2007.
dd518 Date, Time, Place of Event Note 518 $a Origin NR Opt.  
dd520 Summary, etc. 520 $a Summary NR Opt.  
dd524 Preferred Citation of Described Materials 524 $a Preferred citation (unformatted) NR Opt. Should be only a single citation, recorded in a standard format.
dd536 Funding Information Note 536 $a Funding information NR Opt.  
dd541 Source of Acquisition 541 $a etc. Immediate Source, Method, Date of Acquisition NR Opt.  
dd544_n Related Archival Materials Note 544 $n, etc. Connections NR Opt.  
dd546 Language Note 546 $a Language note NR Opt.  
dd561 Ownership & Custodial History 561 $a Provenance NR Opt.  
dd581 Publications About Described Material Note 581 $a References NR Opt.  
dd590 Local Note [59X] Local note NR Opt. e.g., local accession no.
dd590_con Conservation Status [59X] Conservation Status NR Opt.  
dd590_prs Preservation Note [59X] Preservation Note NR Opt.  
dd650 Subject Added Entry -- Topical Term 650 -- -- -- Added 10/29/02
dd651

Subject Added Entry -- Geographic Name

 651 -- -- -- Added 10/29/02
dd653 Index Term: Uncontrolled 653 $a etc. Subjects / keywords R Opt.  
dd655 Index Term/Genre-Form 655 $a etc. Genre R Opt. e.g., Receipt, Contract, Letter; See also: Selected APIS Documentary and Literary Types
dd655_phy Index Term/Physical Format 655 $a etc. Physical Type R Req. See also: Terminology for APIS Physical Formats
dd830 Series [Collection] Added Entry, Uniform Title 830 $a etc. -- -- -- Added 10/29/02
dd852 Location 852 $a Repository / Location of originals NR Req. Use LC codes. See also APIS Institution / Repository Codes
dd856_m Link to parallel metadata version 856|42| $u, $x Link to metadata record at home institution NR Opt. See APIS Linkback Citations
dd856_trs Link to transcription 856|42| $u, $x Link to externally available transcription R Opt.  


Note 1 -- Relator Codes:  For individual names encoded as subjects, DLDD uses the dd100_a (etc.) elements along with the specially-defined code "subj" in dd100_4.  In all other cases, standard MARC21 relator codes are used.
ALTERNATIVE DATE OPTION
DLDD TAG DLDD ELEMENT NAME
MARC21
EQUIVALENT
APIS USAGE APIS: Req./Opt. COMMENTS
  Detailed Date 008/06-14, 046   Opt.  
ddDateValue Numeric Value     Opt.
See Detailed Date Encoding Conventions
ddDateRange Date Range   Date Type Opt.
ddDateSchema Date Schema   Date Schema Opt.
ddDateType Date Type   Date Type Opt.
ddDateConfidence Date Confidence   Date Confidence Opt.


CHANGE LOG

2007-06-04:  Added dd510_pub, as repeatable field, for publication citations, not relevant to or formatted for DDBDP access

2005-05-12:  Added Repeatability column

2005-04-07:  Added dd856_trs for link to transcriptions; needed for Jay Papers db

2004-09-20:  Corrected examples under dd655; added reference to APIS genre types list.

2003-05-22:  Added reference to APIS documentation under comments for dd001, dd035, dd041, dd046, dd100_a, dd510_dd, dd655_phy, dd852

2003-02-21:   Changed dd041, dd046, dd245_f from "Required" to "Required if Available"

2003-02-14:   Added note about using either 300 or 300$a, etc

2003-02-14:   Removed 540 in favor of 655_phys for physical format

2003-01-06:  Corrected dd046 to clarify that it is required for APIS.

2002-10-31:   046 & Detailed Date fields changed from Req. to Opt. (for APIS only)

2002-10-31:   046$a added for "Type of Date Code"

2002-10-31:  Corrected Detailed Date attributes to match those previously implemented in MMF2

 

 

 

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Last revision: 09/06/13
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