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Library of Congress Subject Headings - LCSH
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QA559
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QA485
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lcsh:collection_LCSH_General
lcsh:collection_LCSHAuthorizedHeadings
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Code that uniquely identifies a concept within a concept scheme.
QA485
QA559
URI
http://www.yso.fi/onto/lcsh/sh85042604
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Created 11/02/1986, 00:00