Frederick Whitford

Tehnici

Pesticide and Nutrient Management

Frederick Whitford

Istorie

Planting the Seeds of Hope

Frederick Whitford

Istorie

The Queen of American Agriculture

Frederick Whitford, Phyllis Mattheis, Andrew G. Martin

Istorie

Grand Old Man of Purdue University and Indiana Agriculture

Andrew G. Martin, Frederick Whitford

Istorie

For the Good of the Farmer

Frederick Whitford

Istorie

Scattering the Seeds of Knowledge

Frederick Whitford

Fotografie

Memories of Life on the Farm

Frederick Whitford, Neal Harmeyer