Animal health : livestock and pets

その他の著者: “…Hayes, Jack, ed…”

A good life for more people : the yearbook of agriculture 1971

その他の著者: “…Hayes, Jack, ed…”

That we may eat : the yearbook of agriculture 1975

その他の著者: “…Hayes, Jack, ed…”

A good life for more people : the yearbook of agriculture 1969

その他の著者: “…Hayes, Jack, ed…”

Food from farm to table : the 1982 yearbook of agriculture

その他の著者: “…Hayes, Jack, ed…”

Outdoors USA : The yearbook of agriculture,

その他の著者: “…Hayes, Jack, ed…”