A defense of democratic planning

von Tolley, Howard Ross
Veröffentlicht in McGovern, George Agricultural thought in the twentieth century (1967)

Soil conservation and agricultural adjustment : address

von Tolley, Howard Ross
Veröffentlicht in Nourse, Edwin G. Three Years of the Agricultural Adjustment Administration (1937)

Soil Conservation : Its place in national agricultural policy. (Vorr.: H[oward] R[oss] Tolley)

Veröffentlicht 1936

Some essentials of a good agricultural policy

von Tolley, Howard Ross
Veröffentlicht in The yearbook of agriculture (1940)

Motor trucks on corn belt farms

von Tolley, Howard Ross
Veröffentlicht 1923

Tractors and horses in the winter wheat belt Oklahoma, Kansas, Nebraska

von Tolley, Howard Ross
Veröffentlicht 1924

Experience of eastern farmers with motor trucks : an analysis of 753 reports from farmer truck-owners

von Tolley, Howard Ross
Veröffentlicht 1920

Corn-belt farmers' experience with motor trucks : a study of 831 reports from farmers who own motor trucks

von Tolley, Howard Ross
Veröffentlicht 1921

Case studies of training through technical cooperation

von Maddox, James Gray
Veröffentlicht 1957

Tractors on southern farms

von Tolley, Howard Ross
Veröffentlicht 1922

Using American agricultural surpluses abroad : a statement by the NPA Agriculture Committee on National Policy and a report by Howard R. Tolley

Veröffentlicht 1955

The cost and utilization of power on farms where tractors are owned : 286 farms - Ohio, Indiana, Illinois - 1920

von Tolley, Howard Ross
Veröffentlicht 1921

What tractors and horses do on corn-belt farms

von Reynoldson, Le Roy August
Veröffentlicht 1923