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  • × year_i:[1990 TO 2000}
  • × type_ss:"s"
  1. Subject headings : the future of subdivisions in the Library of Congress Subject Headings system; report from the subject divisions conference sponsored by the Library of Congress, May 9-12, 1991 (1992) 5.70 
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  2. Principles underlying subject heading languages (SHLs) (1999) 5.70 
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