Ralph Mitchell

1934

• Water Pollution Microbiology
• 101st Airborne Division's Defense of Bastogne
• 1Oist Airborne Divisions Defense of Bastogne
• Blood
• Bones
• Environmental microbiology
• Environmental microbiology
• Introduction to environmental microbiology
• Skin
• Biodeterioration and preservation in art, archaeology and architecture
• Cultural heritage microbiology
• Environmental microbiology