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- 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, 1939
- Coal-mine explosions and coal- and metal-mines fires in the United States during the fiscal year ended June 30, 1940
- How mine workers can help to prevent mine explosions
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1941
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1945
- Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1947