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Creator Personal Names
Forbes, John J. V. (John Joseph Vincent), 1885-1975.
Remove constraint Creator Personal Names: Forbes, John J. V. (John Joseph Vincent), 1885-1975.
Subject Topical
Coal mines and mining--Safety measures.
Remove constraint Subject Topical: Coal mines and mining--Safety measures.
Subject Topical
Mine explosions.
Remove constraint Subject Topical: Mine explosions.
1 entry found