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<title>NLM Authority Records Accessible in LocatorPlus. NLM Technical Bulletin. 2003 Jan-Feb</title>
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<tr><td width="30"> </td><td width="470"><font size="2"><strong>January 28, 2003</strong> [posted]</font><br /></td><td width="30"> </td></tr>
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<!--************************indicate title of article below*********************-->
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<tr><td width="30"> </td><td width="470"><font size="5"><strong>NLM Authority Records Accessible in
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LocatorPlus</strong></font><br /></td><td width="30"> </td></tr>
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<tr><td width="30"> </td><td width="470">
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<br />
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<img src="/pubs/techbull/new_tb_graphics/o.gif" border=0 align="left" alt="drop cap letter for o"/>
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n January 21, 2003, NLM implemented the Web Authorities feature in LocatorPlus, NLM's online public access catalog, making its
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authority records accessible to library users worldwide. This new feature allows users to
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search and browse the name authority records established in NLM's internal authority file,
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reinstating a capability that has not been available since 1995 when the Name Authority File
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(NAF) was removed from the MEDLARS system. The Medical Subject Headings (MeSH) terms and
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term/subheading combinations used in cataloging at NLM are also now accessible in LocatorPlus
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<a href="#1"><sup><font size=-2>1</font></sup></a>.
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Of particular interest to librarians, this feature also provides the capability for display
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and download of NLM authority records, including those for subjects, in a modified MARC 21 authority format.
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</p>
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<p><strong>Types of Authority Headings Available</strong><br />
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Users now have the ability to search and browse over 1,175,000 authority records
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<a href="#1"><sup><font size=-2>2</font></sup></a>, including:
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</p>
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<ul>
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<li>Approximately 510,000 subject authority records structured as MARC 21 authority records
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(including subject terms and subject term/topical subheading combinations and names and titles
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used as subjects)</li>
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<li>More than 625,000 name authority records (approximately 450,000 personal, 125,000 corporate, 45,000
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meeting, and 5,000 geographic names)</li>
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<li>Approximately 40,000 series and uniform title authority records</li>
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<li>Approximately 800 name/title authority records</li>
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</ul>
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<p>
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Associated references and scope notes are also provided.
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</p>
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<p>
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<strong>Limitations of Web Authorities</strong><br />
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This release does <strong>not</strong> include:
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</p>
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<ul>
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<li>Z39.50 functionality</li>
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<li>Full MARC 21 character set for display and download of authority data</li>
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<li>Use of diacritics in searches (ignore the diacritic mark and use the plain letter in searching)</li>
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<li>Keyword searching of authority data</li>
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</ul>
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<p>
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<strong>How to Search for Authority Data in LocatorPlus</strong><br />
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Use one of the following search indexes available in the "Search In" box:
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</p>
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<ul>
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<li>Browse MARC Subject Authority -use to search for MeSH terms and subject/topical combinations</li>
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<li>Browse MARC Name Authority -use to search for personal, corporate, or meeting names </li>
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<li>Browse MARC Title Authority - use to search for series and uniform title headings</li>
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<li>Browse MARC Name/Title Authority - use to search for name headings associated with titles</li>
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</ul>
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<p>
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For example, to search the MeSH subject heading "Ethics, medical" with the topical subheading of
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"education", input the string without punctuation in the search box and highlight the choice "Browse MARC Subject Authority"
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in the Search In box as shown in <a href="#fig1">Figure 1</a>.
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</p>
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<center>
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<a name="fig1" id="fig1"> </a>
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<img src="/pubs/techbull/jf03/graphics/locator_1.gif" alt="Example of search screen for
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searching authority data in LocatorPlus"/>
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</center>
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<p>
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To search for an authority record of an individual, input the string without any punctuation as
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"last name first name" in the search box and highlight the choice "Browse MARC Name Authority" in
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the Search In box as shown in <a href="#fig2">Figure 2</a>.
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</p>
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<center>
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<a name="fig2" id="fig2"> </a>
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<img src="/pubs/techbull/jf03/graphics/locator_2.gif" alt="Example of search screen for searching the authority data for an individual in LocatorPlus"/>
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</center>
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<p>
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To search for an authority record for an organization, input the string without punctuation in
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the search box and highlight the choice "Browse MARC Name Authority" in the Search In box as shown
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in <a href="#fig3">Figure 3</a>.
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</p>
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<center>
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<a name="fig3" id="fig3"> </a>
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<img src="/pubs/techbull/jf03/graphics/locator_3.gif" alt="Example of search screen for searching the authority data for an organization in LocatorPlus"/>
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</center>
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<p>
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<strong>Headings List Display</strong><br />
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All initial search results are presented as a "Headings List" - an alphabetical list of all
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headings found in LocatorPlus that fall nearest alphabetically to the
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first words used in the search, whether the headings have authority records associated with them or not.
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</p>
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<p>
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<strong>Important</strong><br />
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Authority records are available <strong>only</strong> for those headings in the list that display with
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one of the icons
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below in the leftmost column of <a href="#table1">Table 1</a>.
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</p>
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<a name="table1" id="table1"> </a>
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<table cellspacing="1" cellpadding="1" width="500" border="1" summary="Examples of icons to display authority records">
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<thead>
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<tr valign="middle" align="center">
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<th id="a1" width="200" abbr="Icon">Icon</th>
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<th id="a2" width="350" abbr="Description">Description</th></tr>
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</thead>
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<tbody>
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<tr>
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<td valign="middle" align="center" width="200" headers="a1"><center>
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<img src="/pubs/techbull/jf03/graphics/locator_4.gif" alt="Example of search screen for searching the authority
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data for an organization in LocatorPlus"/></center></td>
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<td valign="middle" align="left" width="300" headers="a2">Clicking this icon leads to a display of the authority record;
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authority records identified with this icon contain no notes or references.</td>
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</tr>
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<tr>
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<td valign="middle" align="center" width="200" headers="a1"><center>
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<img src="/pubs/techbull/jf03/graphics/locator_5.gif" alt="Example of search screen for searching the authority
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data for an organization in LocatorPlus"/></center></td>
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<td valign="middle" align="left" width="300" headers="a2">Clicking on this icon leads to a display of
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references to the authority record.</td>
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</tr>
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<tr><td valign="middle" align="center" width="200" headers="a1"><center>
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<img src="/pubs/techbull/jf03/graphics/locator_6.gif" alt="Example of search screen for searching the authority
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data for an organization in LocatorPlus"/>
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</center></td>
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<td valign="middle" align="left" width="300" headers="a2">Clicking on this icon leads to a display of
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the authority record and scope note.</td>
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</tr>
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<tr><td valign="middle" align="center" width="200" headers="a1"><center>
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<img src="/pubs/techbull/jf03/graphics/locator_7.gif" alt="Example of search screen for searching the authority
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data for an organization in LocatorPlus"/></center></td>
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<td valign="middle" align="left" width="300" headers="a2">Clicking on this icon leads to a display of
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the authority record, references, and scope note.</td>
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</tr>
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</tbody>
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</table>
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<center><h3>Table 1 - Icons Indicating Availability of Authority Information</h3></center>
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<p>
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<strong>Note:</strong> LocatorPlus includes all types of bibliographic records, cataloged as well as
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uncataloged (e.g., on order, regional holdings, collaborating producer records). See "What kinds of bibliographic
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records will I find in NLM LocatorPlus?" at http://www.nlm.nih.gov/services/cat_bibrectype.html. This is the reason that the "Headings List" in a search may
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include many headings that do not have associated authority records.
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</p>
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<p>
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For example, the retrieval for the subject search "Ethics Nursing" displays as shown in <a href="#fig4">Figure 4</a>.
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</p>
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<center>
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<a name="fig4" id="fig4"> </a>
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<img src="/pubs/techbull/jf03/graphics/locator_8.gif" alt="Example of search screen for a subject search on Ethics Nursing"/>
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</center>
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<p>
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Note that clickable icons leading to authority records appear in the left hand column only for the
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first three items on the list. The last item in the figure appears in the list because it represents
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a series/uniform title heading that is coded as being also appropriate for use as a subject heading.
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To retrieve the actual authority record for this series/uniform title, it must be searched again using
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the selection "Browse MARC Title Authority"; in the retrieval for this second search, this string appears
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with the authority icon "References" in the left hand column.
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</p>
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<p>
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<strong>Display and Download of Authority Records in MARC 21 Authority Format</strong><br />
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</p>
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<ol>
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<li>Locate and mark the authority record of interest.</li>
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<li>At the bottom of the display labeled "SAVE OPTIONS", select the download format.
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Click on the drop-down menu, which shows the default setting of "Full Record with holdings", to change
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the selection to the MARC 21 format desired. The options are:<br /><br />
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Latin1 MARC -- which provides a MARC-formatted record utilizing the ASCII character set, including the "common"
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diacritics that often occur in languages that employ the "Latin" alphabet;<br />
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or<br />
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Raw MARC -- which provides a MARC-formatted record inclusive of special characters. </li>
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<li>Then, click on the "Print/Save" icon which appears to the right of the drop-down box.</li>
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<li>At that point, click on "File/Save As" in the Menu Bar of the browser. Then indicate a
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file name in the appropriate box depending on the browser, specifying where in your local
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environment you wish to save the records. If using Internet Explorer 5.50, change the
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"Save as Type" box to "Text File" before saving.</li>
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<li>As the final step, use the MARC record import functionality of your local integrated library
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system to load the records into your local database.</li>
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</ol>
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<p>
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<strong>Further Information and Comments</strong><br />
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For further information regarding the authority records in LocatorPlus, see the documentation
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posted under "Cataloging Databases, Publications, and Products" on the NLM Cataloging Web site at
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<a href="/tsd/cataloging/nlmauthrecsfile/nlmauthrec.html">http://www.nlm.nih.gov/tsd/cataloging/nlmauthrecsfile/nlmauthrec.html</a>.
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</p>
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<p>
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Comments or questions regarding this feature in LocatorPlus should be directed to
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<a href="mailto:custserv@nlm.nih.gov">custserv@nlm.nih.gov</a>.
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</p>
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<hr />
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<p>
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<a name="1" id="b1"><sup><font size=-2><strong>1</strong></font></sup></a> The MeSH Browser, available online at
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<a href="/mesh/MBrowser.html">http://www.nlm.nih.gov/mesh/MBrowser.html</a>,
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is the authoritative source for NLM controlled vocabulary and provides access to the hierarchical
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arrangement of MeSH. The subject authority records in LocatorPlus are structured for use in the
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creation and maintenance of bibliographic records.<br /><br />
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<a name="2" id="b2"><sup><font size=-2><strong>2</strong></font></sup></a> These numbers are dynamic as new
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authority records are added to
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the database in real time as materials are cataloged.
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</p>
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<br /><br />
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<p>
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<!--************************indicate article author and section below*******************************-->
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<strong>By Alice E. Jacobs</strong><br />
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<strong>Cataloging Section</strong><br />
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</p>
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<!--************************indicate indexing terms below**********************-->
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<!--
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<p><strong>Indexing Terms</strong></p>
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<p>Cataloging, Authority records</p>
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<p>Public access catalog, Authority records</p>
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<p>Organization names authority, LocatorPlus</p>
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<p>Diacritics, Authority records, LocatorPlus</p>
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<p>MARC21 authority format, LocatorPlus</p>
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<p>Name Authority File (NAF), Successor</p>
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<p>Personal name authority, LocatorPlus</p>
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<p>Corporate name authority, LocatorPlus</p>
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<p>Uniform title authority, LocatorPlus</p>
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<p>NAF (Name Authority File), Successor</p>
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<p>MeSH, LocatorPlus</p>
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<p>Meeting name authority, LocatorPlus</p>
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<p>Geographic name authority, LocatorPlus</p>
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<p>Name/title authority, LocatorPlus</p>
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<p>Web Authorities, LocatorPlus</p>
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<p>Authority Records, LocatorPlus</p>
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<p>LocatorPlus, Authority records, Web Authorities</p>
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<p>Name Authority, LocatorPlus</p>
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<p>Series Authority, LocatorPlus</p>
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-->
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<!--************************end indexing terms*********************************-->
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<img src="/pubs/techbull/new_tb_graphics/black_pixel.gif" width="450" height="1" alt="black line separting article from citation"/>
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<p>
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<!--************************change citation information below*****************************-->
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<em>Jacobs AE. NLM Authority Records Accessible in LocatorPlus. NLM Tech Bull. 2003 Jan-Feb;(330):e4.</em>
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<!--************************end citation information********************************-->
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National Library of Medicine</a>, 8600 Rockville Pike, Bethesda, MD 20894<br />
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<a href="http://www.nih.gov/">National Institutes of Health</a>,
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<a href="http://www.nih.gov/icd/od/foia/index.htm">Freedom of Information Act (FOIA)</a><br/><a href="https://www.hhs.gov/vulnerability-disclosure-policy/index.html">HHS Vulnerability Disclosure</a>
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</font>
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