The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
1. Heavy metal content LC Subject Headings (LCSH)
Topic General Subdivision sh2018002960
2. Seeds--Production (Biology) LC Subject Headings (LCSH)
Complex Subject General Subdivision sh2011002461
Seed production (Biology) ; Seed productivity ; Seed yield ; Seeds--Productivity ; Seeds--Yield


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