Yazar
w m hays
15 cilt bulundu.
W. M. Hays · Govt. Print. Off.
96 sayfa · 1912
Agriculture / Study and teaching / Farm management / Crop rotation
W. M. Hays · Yayınevi bilinmiyor
Sayfa sayısı yok · 1908
Agriculture / Study and teaching / Study anbd teaching / Home economics
W. M. Hays · United States Department of Agriculture
Sayfa sayısı yok · 1913
Food adulteration and inspection / Labeling / Oysters
W. M. Hays · United States Department of Agriculture
Sayfa sayısı yok · 1913
Food adulteration and inspection / Labeling / Vinegar
W. M. Hays · United States Department of Agriculture
Sayfa sayısı yok · 1913
Flavoring essences / Food adulteration and inspection / Labeling
W. M. Hays · United States Department of Agriculture
Sayfa sayısı yok · 1913
Feeds / Grading / Labeling
W. M. Hays · United States Dept. of Agriculture
Sayfa sayısı yok · 1913
Alcoholic beverages / Labeling
W. M. Hays · Yayınevi bilinmiyor
Sayfa sayısı yok · 1909
United States / Agriculture and state / United States. Department of Agriculture
W. M. Hays · The University press
189 sayfa · 1906
Livestock / Plant breeding / Textbooks / Livestock breeds / Agriculture
Cyril G. Hopkins, W. M. Hays, P. G. Holden, Joseph E. Wing, Waldo F. Brown, Leon Wilson Chase, Thomas Shaw · [Issued by the I. H. C. service bureau], International harvester company of America (incorpated)
159 sayfa · 1911
Field crops / Fertilizers








