The National poultry improvement plan /

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

The National poultry improvement plan /

"Issued January 1938."

The National poultry improvement plan /

"Issued January 1938."

The National poultry improvement plan /

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

The National poultry improvement plan /

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

The National poultry improvement plan /

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

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.

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."

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

Cover title.

Directory of U.S. Register of Merit sires and dams qualifying under the National Poultry Improvement Plan, 1943-44 /

"December 1945."

The National poultry and turkey improvement plans and auxiliary provisions.

Mode of access: Internet.

The National turkey improvement plan /

"Emblem authorized for use by official State agencies and industry members to signify cooperation in the National Turkey Improvement Plan."

The National turkey improvement plan /

"Emblem authorized for use by official State agencies and industry members to signify cooperation in the National Turkey Improvement Plan."