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Frederick Whitford
Frederick Whitford is the coordinator of Purdue Pesticide Programs of the Purdue University Cooperative Extension Service.Frederick Whitford is the coordinator of Purdue Pesticide Programs of the Purdue University Cooperative Extension Service.
Buku oleh Frederick Whitford
Grand Old Man of Purdue University and Indiana Agriculture: A Biography of William Carol Latta Scattering the Seeds of Knowledge: The Words and Works of Indiana's Pioneer County Extension Agents Penilaian: 0 dari 5 bintang0 penilaianFor the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture Penilaian: 0 dari 5 bintang0 penilaianThe Queen of American Agriculture: A Biography of Virginia Claypool Meredith Penilaian: 0 dari 5 bintang0 penilaian