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roy c potts

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Roy C. Potts · U.S. Dept. of Agriculture

38 sayfa · 1917

Butter / Marketing

Roy C. Potts · U.S. Dept. of Agriculture, Office of the Secretary

12 sayfa · 1916

Butter trade / Butter / Marketing

Roy C. Potts · Yayınevi bilinmiyor

Sayfa sayısı yok · 1934

Egg trade / Radio scripts / National farm and home hour (Radio program) / Poultry industry

Roy C. Potts · U.S. Dept. of Agriculture

15 sayfa · 1918

Butter trade / Creameries