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Creator Personal Names
Sloman, Harold J. (Harold Jandorf)
Remove constraint Creator Personal Names: Sloman, Harold J. (Harold Jandorf)
All Creators
Sloman, Harold J. (Harold Jandorf)
Remove constraint All Creators: Sloman, Harold J. (Harold Jandorf)
Subject Topical
Coal mines and mining--Safety measures.
Remove constraint Subject Topical: Coal mines and mining--Safety measures.
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