• 20 Memorial Library
• 5 Steenbock Library

• 4 Microforms

• 2 Iron industry and trade
• 2 Platinum group
• 1 Aluminum alloys
• 1 Aluminum industry and trade
• 1 Bauxite
• 1 Bismuth
• 1 Bismuth mines and mining
• 1 Chromium
• 1 Cobalt industry
• 1 Gold mines and mining
• 1 Iron mines and mining
• 1 Iron ores
• 1 Lead industry and trade
• 1 Manganese
• 1 Molybdenum
• 1 Nickel
• 1 Nickel industry
• 1 Niobium
• 1 Platinum
• 1 Precious metal industries
• 1 Precious metals
• 1 Selenium
• 1 Silicon
• 1 Silver mines and mining
• 1 Slag

• 20 United States. Bureau of Mines. Branch of Data Collection and Coordination
• 14 Geological Survey (U.S.)
• 11 United States. Bureau of Mines. Branch of Ferrous Metals
• 6 United States. Bureau of Mines. Branch of Nonferrous Metals
• 3 United States. Bureau of Mines. Division of Ferrous Metals
• 2 Geological Survey (U.S.). Data Collection and Coordination Section
• 2 Geological Survey (U.S.). Metals Section
• 2 United States. Bureau of Mines. Section of Ferrous Metals

• 21 English

• 6 United States

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