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- Clay
- Radium
- Cobalt
- Bromine and iodine
- Bismuth
- Magnesite
- Platinum
- Hafnium
- Rhenium (and masurium)
- Sodium and potassium metals
- Abrasive and industrial diamonds
- Mining laws of New Caledonia and French Oceania
- Mining laws of French Guiana
- Mining laws of Syria
- Mining laws of French Equatorial Africa, West Africa, Cameroun, and Togo
- Greensand
- Consumption and prices of nonmetallic minerals
- Calcium chloride
- The fertilizer industries
- Trends in white-pigment consumption
- Marketing mica
- Marketing clay
- More jobs for minerals
- Nonmetallic mineral industries in 1939
- Marketing graphite
- Home insulation, an effective conservation and national-defense measure
- Economic importance of pegmatites