[019-36] Milk Control in Illinois
Milk Control in Illinois Author: Hull, Thomas G.
[019-35] Is the Vaccination of Cattle Against Tuberculosis a Practical Possibility?
Is the Vaccination of Cattle Against Tuberculosis a Practical Possibility? Author: Long, Esmond, R.
[019-34] A Problem of Economic Readjustment to Geographic Factors
A Problem of Economic Readjustment to Geographic Factors Author: Cox, Flemin W.
[019-33] A Field Map for a Geographic Study of an Urban Industrial Area
A Field Map for a Geographic Study of an Urban Industrial Area Author: Appleton, J.B.