The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
1. Chemical ecology LC Subject Headings (LCSH)
Topic General Subdivision sh2018002553
2. Heavy metal content LC Subject Headings (LCSH)
Topic General Subdivision sh2018002960
3. Effect of soil moisture on LC Subject Headings (LCSH)
Topic General Subdivision sh2010009220
4. Effect of calcium on LC Subject Headings (LCSH)
Topic General Subdivision sh2014002233


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