The SciencesSeptember 1, 1941
A False Paradise for Pests
Intensive Investigation of Control Methods for Man's Multitudinous Living Enemies
Stories by Charles M. Hackett
The SciencesMarch 1, 1941
Fungi
As the Enemy of Domesticated Plants These Lower Plants Cost us 3000 a Minute
The SciencesSeptember 1, 1940
Coal Tar Began it
Vast Increase in U. S. Organic Chemicals Industry