The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
1. Service life LC Subject Headings (LCSH)
Topic General Subdivision sh2001008791
2. Climatic factors LC Subject Headings (LCSH)
Topic General Subdivision sh00007749
Effect of climatic changes on ; Effect of climate on
3. Motors--Exhaust gas LC Subject Headings (LCSH)
Complex Subject General Subdivision sh2002006208
Exhaust gas of motors


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