New LC Permalink Service in production

Apologies for cross-posting.

The Library of Congress is pleased to announce "LCCN
Permalink" -- a new persistent URL service for creating
links to bibliographic records in the Library of Congress
Online Catalog using the Library of Congress Control Number
(LCCN).

LCCN Permalink is a convenient way to cite items from the
Library's collection in your bibliographies, reference
guides, emails, blogs, databases, web pages, etc. Not only
can you easily construct a permalink yourself, but we also
display them as part of the bibliographic record in the LC
Online Catalog (http://catalog.loc.gov/).



How to create an LCCN Permalink

Simply begin your URL with the LCCN Permalink domain name --
http://lccn.loc.gov/ --
then add an LCCN.* 
       Examples:   http://lccn.loc.gov/20
03556443    or    http://lccn.loc.gov/8264
3250    or   http://lccn.loc.gov/mm
78044693 

       * LCCNs should be formatted according to the
info:lccn URI specification (http://i
nfo-uri.info/registry/OAIHandler?verb=GetRecord&metadata
Prefix=reg&identifier=info:lccn/). Instructions are
also available in the LCCN Permalink FAQ: http://lccn
.loc.gov/lccnperm-faq.html#n10 


How LCCN Permalink works

An LCCN Permalink retrieves a MARCXML-formatted
bibliographic record using the Z39.50/SRU protocol. Both
valid and cancelled LCCNs (MARC 21 fields 010a and 010z) are
searched. LCCN Permalink displays are based on the Full
Record display in the LC Online Catalog. Not only can you
link directly into the LC Online Catalog, but you can also
view the record in MARCXML, MODS, and Dublin Core formats. 


More Information

The LC Permalink FAQ at http://lccn.loc
.gov/lccnperm-faq.html provides additional information
on this new service.  Specific questions can also be sent to
the Library's Ask-A-Librarian service at http:
//www.loc.gov/rr/askalib/ask-digital.html.


posted by A. Della Porta
ILS Program Office
Library of Congress
adelloc.gov 

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Ann Della Porta wrote:

> The Library of Congress is pleased to announce
"LCCN Permalink"

This is great!  It was already possible to link, but the FAQ
makes 
this a known and official policy which makes it more stable
over 
time and serves as an example to other libraries.

Wikipedia's [[Template:LCCN]] already exists 7 languages and
the 
documentation now links to this FAQ,
http://en.
wikipedia.org/wiki/Template:LCCN


-- 
  Lars Aronsson (larsaronsson.se)
  Aronsson Datateknik - http://aronsson.se
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