Perry O. Black

• Diesel engine manual
• Pumps
• Audels diesel engine manual
• Audels machinists library
• Audels machinists library: toolmakers handy book
• Audels practical chemistry for everyone
• Machinists library
• Machinists library: basic machine shop
• Machinists library: toolmakers handy book
• Machinists library; machine shop
• Practical chemistry for everyone