Mimeographed.At head of title: United States Department of agriculture. Bureau of agricultural economics.Mode of access: Internet
At head of title: United States Department of agriculture, Bureau of agricultural economics.Processe...
"Assisted by representatives of the Agricultural Adjustment Administration, the Extension Service, a...
Caption title."Assisted by representatives of the state agricultural college and extension services ...
Mimeographed.At head of title: United States department of agriculture. Bureau of agricultural econ...
"Report of experiments conducted upon the college farm."Cover title.Mode of access: Internet
Cover title.Contibution from Bureau of Agricultural Economics in Cooperation with the Wisconsin Agri...
At head of title: United States Department of Agriculture. Bureau of agricultural economics.Cover-ti...
Cover title.At head of title: United States Department of agriculture. Bureau of agricultural econom...
"Assisted by representatives of the agricultural colleges and extension services and the Federal Far...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture. Bureau of ag...
Caption title."Assisted by representatives of the agricultural colleges and extension services and t...
Mimeographed.At head of title: United States Department of Agriculture. Bureau of Agricultural Econo...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture, Bureau of ag...
"Assisted by representatives of the agricultural colleges and extension services.""February, 1929."C...
"Soil Conservation Service and Bureau of Agricultural Economics, U.S. Dept. of Agriculture, in coope...
At head of title: United States Department of agriculture, Bureau of agricultural economics.Processe...
"Assisted by representatives of the Agricultural Adjustment Administration, the Extension Service, a...
Caption title."Assisted by representatives of the state agricultural college and extension services ...
Mimeographed.At head of title: United States department of agriculture. Bureau of agricultural econ...
"Report of experiments conducted upon the college farm."Cover title.Mode of access: Internet
Cover title.Contibution from Bureau of Agricultural Economics in Cooperation with the Wisconsin Agri...
At head of title: United States Department of Agriculture. Bureau of agricultural economics.Cover-ti...
Cover title.At head of title: United States Department of agriculture. Bureau of agricultural econom...
"Assisted by representatives of the agricultural colleges and extension services and the Federal Far...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture. Bureau of ag...
Caption title."Assisted by representatives of the agricultural colleges and extension services and t...
Mimeographed.At head of title: United States Department of Agriculture. Bureau of Agricultural Econo...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture, Bureau of ag...
"Assisted by representatives of the agricultural colleges and extension services.""February, 1929."C...
"Soil Conservation Service and Bureau of Agricultural Economics, U.S. Dept. of Agriculture, in coope...
At head of title: United States Department of agriculture, Bureau of agricultural economics.Processe...
"Assisted by representatives of the Agricultural Adjustment Administration, the Extension Service, a...
Caption title."Assisted by representatives of the state agricultural college and extension services ...