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- Roof bolting in the United States
- Falls of roof :the no. 1 killer in bituminous-coal mines
- Administration of the Federal Coal-Mine Safety Act
- Permissible mine equipment approved during the calendar years 1953-54
- Administration of the Federal Coal-Mine Safety Act, calendar year 1955
- Administration of the Federal Coal-Mine Safety Act :calendar year 1954
- Administration of the Federal Coal-Mine Safety Act, calendar year 1956
- Administration of the Federal Coal-Mine Safety Act, calendar year 1957
- Permissible mine equipment approved during the calendar years 1955-56 :with appended list of manufacturers of flame resistant trailing cables and fire-resistant conveyor belts