Matches in Library of Congress for { ?s ?p Coal mines and mining Data processing.. }
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- 2012395289 subject "Coal mines and mining Data processing.".
- 73321343 subject "Coal mines and mining Data processing.".
- 75405612 subject "Coal mines and mining Data processing.".
- 75606935%2F%2Fr86 subject "Coal mines and mining Data processing.".
- 75633385 subject "Coal mines and mining Data processing.".
- 79633394 subject "Coal mines and mining Data processing.".