Cost of producing wheat on 481 farms in the states of North and South Dakota, Minnesota, Kansas, Nebraska, ans Missouri, for the crop year 1919

von Cooper, M. R.
Veröffentlicht 1921

Farm practice in growing sugar beets in three California districts

Veröffentlicht 1919

Farm practice in growing sugar beets for three districts in Utah and Idaho, 1914/15

Veröffentlicht 1918

Farm practice in growing sugar beets for three districts in Colorado 1914/15

Veröffentlicht 1918

An economic study of the pecan industry

Veröffentlicht 1932