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Principles underlying subject heading languages (SHLs) (1999)
10.09
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Satija, M.P.; Haynes, D.E.: User's Guide to Sears List of Subject Headings (2008)
10.09
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Sears' list of subject headings (2007)
10.09
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Sears' list of subject headings (2010)
10.09
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