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- Mine explosions and fires in the United States during the fiscal year ending June 30, 1931
- Mine explosions and fires in the United States during the fiscal year which ended June 20, 1932
- Metal-mine fires and ventilation
- Mine explosions and fires in the United States during the fiscal year ended June 30, 1933
- Coal-mine explosions and fires in the United States during the fiscal year ended June 30, 1934
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1936
- Coal-mine explosions and fires in the United States :during the fiscal year ended June 30, 1935
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1937
- Thousands killed by coal-mine explosions in the United States
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1938
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1939