The National poultry improvement plan /

"In cooperation with poultry leaders, poultry breeders, and members of the breeder and commercial hatchery industry."

Improving poultry through the National Poultry Improvement Plan /

Originally issued July 1938.

Federal poultry research at the agricultural research center, Beltsville, Md. /

"October 1939."

Farms the rains can't take /

Originally issued August 1940.

Working plans for permanent farms /

"October 1940."

Polyperiod analysis of growth and capital accumulation of farms in the rolling plains of Oklahoma and Texas /

Selected references: p. 87-88.

Joint municipal and industrial wastewater treatment in rural communities : simulation analysis with poultry processing plants /

Issued Mar. 1980.

Erosion lowers wartime production on Northeastern farms /

Cover title.

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1941-42 trap-nest record year /

"November 1943."

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1942-43 /

"December 1944."

Poultry disease investigations at the U.S. Regional Poultry Research Laboratory.

"Issued July 1946."

Fire fighting on farms /

"Issued October 1946."

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1945-1946 /

Cover title.

The National poultry and turkey improvement plans and auxiliary provisions.

Mode of access: Internet.

Hides and skins from locker plants and farms /

"Issued August 1961."