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- Rare and uncommon chemical elements in coal
- Carbonization properties and petrographic composition of Hernshaw coal from Boone County, W. Va.
- International system for classifying brown coals and lignites and its application to American coals
- Determining phosphorous in coal and coke :evaluation of volumetric, colormetric, and gravimetric methods
- Rare elements in coal
- Application of rapid methods for analyzing coal ash and related materials
- Effect of sulfur retention on determined ash in lower-rank coals
- Phosphorus, chlorine, sodium, and potassium in U.S. coals
- Direct determination of oxygen in coal
- Method for determination of fluorine in coal