The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
1. Electrical capture, Digital storage
Authority dist
Digital storage
2. Unknown capture and storage
Authority unk
3. Electrical capture, Analog electrical storage
Authority aes
Analog electrical storage
4. Acoustical capture, Direct storage
Authority acds
5. Electrical capture, Direct storage
Authority dsna
Direct storage, not acoustical

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