LEAK DISEASE OF POTATOES Part 1

Sweet Potatoes From Seed to Storage

Part 2

Flood Disaster, Grand Forks and Grand Forks Afb, North Dakota; East Grand Forks, Minnesota; Clinton, Iowa

Part 2

Problems in Preventative Medicine and Sexually Transmitted Diseases

Part 4

A Hurricane Called Betsy. (Dod Cd 20-251)

Part 8

Fight Against Communicable Diseases

Part 1

Hidden Foes in Seed Potatoes

Part 2

Effect of Atomic Bomb on Hiroshima and Nagasaki

Part 42

The Nurse Combats Disease

Part 3