Clyde Paul Smith

Identifiers

• Open LibraryOL4869767A

Top Subjects

• Child labor -- United States (1)
• Occupational diseases -- United States (1)
• Mine safety -- United States (1)
• Mineral industries -- United States (1)
• Slaughtering and slaughter-houses -- United States (1)
• Packing-houses -- United States (1)
• Rendering industry -- United States (1)