Library of Congress >> MARC >> LITE Bibliographic >> 841-86X >> 856

856 - Electronic Location and Access (R)

MARC 21 LITE Bibliographic
April 2008

Information needed to locate and access an electronic resource. The field may be used in a bibliographic record for a resource when that resource or a subset of it is available electronically. In addition, it may be used to locate and access an electronic version of a non-electronic resource described in the bibliographic record or a related electronic resource.

See the Guidelines for the Use of Field 856 for a more thorough discussion on the use of field 856.

Field 856 is repeated when the location data elements vary (the URL in subfield $u or subfields $a, $b, $d, when used). It is also repeated when more than one access method is used, different portions of the item are available electronically, mirror sites are recorded, different formats/resolutions with different URLs are indicated, and related items are recorded.

[Link to MARC 21 Concise Formats]

Indicators
First - Access method
# - No information provided
Second - Relationship
# - No information provided
Subfield Codes
$u - Uniform Resource Identifier (R)
Uniform Resource Identifier (URI), which provides standard syntax for locating an object using existing Internet protocols. Field 856 is structured to allow for the creation of a URL from the concatenation of other separate 856 subfields. Subfield $u may be used instead of those separate subfields or in addition to them. Subfield $u may be repeated only if both a URN or a URL or more than one URN are recorded.
$x - Nonpublic note (R)
$z - Public note (R)
Examples
856 ##$uhttp://jefferson.village.virginia.edu/pmc/contents.all.html
856 ##$uhttp://www.loc.gov/ammem/ead/jackson.sgm
856 ##$uhttp://www.jstor.org/journals/0277903x.html
856 ##$uhttp://www.cdc.gov/ncidod/EID/eid.htm
856 ##$uhttp://www.cgiar.org/ifpri/reports/0297rpt/0297-ft.htm
856 ##$uhttp://woodrow.mpls.frb.fed.us/publs/ar/index.html
856 ##$zPart of the Ovid Mental Health Collection (MHC). Follow instructions on MedMenu page for Ovid login.$uhttp://info.med.yale.edu/medmenu/info%5Fcbc.html
856 ##$uhttp://www.ref.oclc.org:2000$zAddress for accessing the journal using authorization number and password through OCLC FirstSearch Electronic Collections Online. Subscription to online journal required for access to abstracts and full text
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