Yazar
Thomas Ross Pirtle
16 cilt bulundu.
Thomas Ross 1870 Pirtle, United States Dept of Agriculture Bur · Wentworth Press
78 sayfa · 2016-08-26
History
United States. Bureau of Dairy Industry, Thomas Ross PIRTLE · Yayınevi bilinmiyor
12 sayfa · 1933
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Thomas Ross Pirtle, United States. Bureau of Agricultural Economics. Division of Dairy and Poultry Products · Yayınevi bilinmiyor
19 sayfa · 1932
Dairying
United States. Bureau of Animal Industry. Dairy Division, Thomas Ross PIRTLE · Yayınevi bilinmiyor
72 sayfa · 1922
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United States. Bureau of Dairy Industry, Thomas Ross PIRTLE · Yayınevi bilinmiyor
109 sayfa · 1928
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Thomas Ross Pirtle, Victor Andreas Nörgaard, John Robbins Mohler · Yayınevi bilinmiyor
72 sayfa · 1902
Animal industry
United States. Bureau of Agricultural Economics, Thomas Ross Pirtle · Yayınevi bilinmiyor
109 sayfa · 1928
Dairying
Harold Pearl Sheldon, Mabel Hunt Doyle, Mary Aloysius Agnew, Thomas Ross Pirtle, Wallace Byron Grange, Wilbur Magruder Hurst, Frank Granville Grimes, Lillian M. Church · Yayınevi bilinmiyor
34 sayfa · 1932
Agricultural colleges
