Report of the Alaska agricultural experiment stations 1921 Report of the Alaska agricultural experiment stations 1921 /

"...United States Department of Agriculture...."

Inventory of seeds and plants imported Inventory of seeds and plants imported /

"...United States Department of Agriculture...."

Direction for preparing specimens of large mammals in the field Direction for preparing specimens of large mammals in the field /

"...United States Department of Agriculture, Bureau of Biological Survey...."

Plants tested for or reported to posses insecticidal properties Plants tested for or reported to posses insecticidal properties / מאת McIndoo, N.E

"...United States Department of Agriculture..."

Experimental production of straw gas Experimental production of straw gas / מאת Roethe, Harry E.

"...United States Department of Agriculture..."

Dusting cotton from airplanes Dusting cotton from airplanes / מאת Coad, B. R.

"...United States Department of Agriculture..."

A chemical and structural study of mesquite, carob, and honey locust beans A chemical and structural study of mesquite, carob, and honey locust beans / מאת Walton, G.P

"...United States Department of Agriculture..."

Food and economic relations of North American grebes Food and economic relations of North American grebes / מאת Wetmore, Alexander, 1886-1978

"...United States Department of Agriculture..."

Drainage district assessments : a study of present practices in assessing benefits under the state drainage laws a study of present practices in assessing benefits under the state... מאת Boyd, George R.

"...United States Department of Agriculture..."

Digestibility of raw starches and carbohydrates Digestibility of raw starches and carbohydrates / מאת Langworthy, C. F. (Charles Ford), 1864-1932, Thompson Merrill, Alice

"...United States Department of Agriculture..."

Family living in farm homes : a economic study of 402 farm families in Livingston County, N. Y. a economic study of 402 farm families in Livingston County, N. Y. / מאת Kirkpatrick, E. L., Atwater, Helen W., Bailey, Ilena M.

"...United States Department of Agriculture..."

Growth and feeding of honeybee larvae Growth and feeding of honeybee larvae / מאת Nelson, James A., Sturtevant , Arnold P., Lineburg, Bruce

"...United States Department of Agriculture..."

The recovery of potash as a by-producte in the blast-furnace industry The recovery of potash as a by-producte in the blast-furnace industry / מאת Merz, Albert R., Ross, William H.

"...United States Department of Agriculture..."

Damage to range grasses by the zuni prairie dog Damage to range grasses by the zuni prairie dog / מאת Taylor, Walter P., Loftfield, J. V. G.

"...United States Department of Agriculture..."

Results of experiments with miscellaneous substances against the chicken mite Results of experiments with miscellaneous substances against the chicken mite / מאת Davidson, W. M., Loftfield, J. V. G.

"...United States Department of Agriculture..."

The stem nematode Tylenchus dipsaci on wild hosts in the Northwest The stem nematode Tylenchus dipsaci on wild hosts in the Northwest / מאת Godfrey, G. H., McKay, M. B.

"...United States Department of Agriculture..."

How the United States can meet its present and future pulp-wood requirements How the United States can meet its present and future pulp-wood requirements / מאת Clapp, Earle H., Boyce, Charles W.

"...United States Department of Agriculture..."

Food habits of some winter bird visitants Food habits of some winter bird visitants / מאת Gabrielson, Ira N.

"...United States Department of Agriculture..."

Returns from banded birds 1920 to 1923 Returns from banded birds 1920 to 1923 / מאת Lincoln, Frederick C.

"...United States Department of Agriculture..."

Scale insects and mites on citrus trees Scale insects and mites on citrus trees / מאת Marlatt, C. L.

"...United States Department of Agriculture..."