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<?xml-stylesheet type='text/xsl' href='/oai/static/oai2.xsl' ?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd">
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      <datestamp>2025-10-01T03:59:12Z</datestamp>
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          <titl xml:lang="en">DDI2.5 XML CODEBOOK RECORD FOR STUDY NUMBER 51</titl>
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      </citation>
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    <citation>
      <titlStmt>
        <titl xml:lang="en">Nuffield Backward Dictionary of Occupations: Based upon 1970 Classification of Occupations</titl>
        <IDNo xml:lang="en" agency="UKDA">51</IDNo><IDNo xml:lang="en" agency="DOI">10.5255/UKDA-SN-51-1</IDNo>
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      <rspStmt>
        <AuthEnty xml:lang="en">University of Oxford, Nuffield College
        </AuthEnty>
      </rspStmt>
      <prodStmt>
        <copyright xml:lang="en">No information recorded</copyright>
        <prodDate xml:lang="en"/>
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      <distStmt>
        <distrbtr xml:lang="en">UK Data Service</distrbtr>
        <distDate xml:lang="en" date="1974-01-01T00:00:00Z">01 January 1974</distDate>
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        <version date="2019-06-11T15:57:18Z" xml:lang="en"/>
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      <holdings xml:lang="en" URI="http://doi.org/10.5255/UKDA-SN-51-1"/>
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        <topcClas xml:lang="en">Labour and employment</topcClas><topcClas xml:lang="en">Social and occupational mobility</topcClas>
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      <abstract xml:lang="en">&lt;P&gt;Abstract copyright UK Data Service and data collection copyright owner.&lt;/P&gt;</abstract><abstract xml:lang="en">To provide information on the occupational content of each of the Registrar General's three-digit occupational codes.</abstract><abstract xml:lang="en">&lt;B&gt;Main Topics&lt;/B&gt;:&lt;BR&gt;</abstract><abstract xml:lang="en">Variables&lt;br&gt; Information consists of every occupational title in the 1970 Classification of Occupations, organised in occupational unit groups. This is an invaluable aid to coding occupations.</abstract>
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        <restrctn xml:lang="en">&lt;p&gt;The Data Collection is available to UK Data Service registered users subject to the &lt;a href="https://ukdataservice.ac.uk/app/uploads/cd137-enduserlicence.pdf" target="_blank"&gt;End User Licence Agreement&lt;/a&gt;.&lt;/p&gt;&lt;p&gt;Commercial use of the data requires approval from the data owner or their nominee. The UK Data Service will contact you.&lt;/p&gt;</restrctn>
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      <identifier>51</identifier>
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