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在您的搜尋 主題建議
Agricultural extension work
Agriculture
95
Home economics extension work
7
Farm management
7
Farmers
5
Economic aspects
3
Home economics, Rural
3
Livestock
3
Research
2
Periodicals
2
Statistics
1
Agricultural engineering
1
Agricultural pests
1
Boys
1
Collected works
1
Diet
1
Food supply
1
Girls
1
Planning
1
Societies and clubs
1
Societies, etc
1
Sociology, Rural
1
Study and teaching
1
Technical assistance, Japanese
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43出版 1921East Lansing, Mich. : Michigan Agricultural College, 1921-1981.v. : ill. ; 23 cm.
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44出版 1918East Lansing, Mich. : Michigan Agricultural College, 1918-1920.3 v. : ill. ; 23 cm.Also issued in print.
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45出版 1907Ames, Iowa : Iowa State College of Agriculture and the Mechanic Arts, Extension Dept., 1907-1908.2 v. : ill. ; 22 cm.
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46出版 1942Fargo, N.D. : North Dakota Agricultural College Extension Service, 1942-v. : ill. ; 23 cm.
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47出版 1942Fargo, N.D. : North Dakota Agricultural College Extension Service, 1942-v. : ill. ; 23 cm.
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48出版 1958Ames : [Agricultural and Home Economics Experiment Station, Cooperative Extension Service, Iowa State College?], 1958-1959.3 no. : ill. ; 22 cm.
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49出版 1960Ames. Iowa : Agricultural and Home Economics Experiment Station, Iowa State University of Science and Technology, 1960-1966.26 v. : ill. ; 28 cm.
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50Fargo, N.D. : Agricultural Extension Division, North Dakota Agricultural College,v. : ill. ; 22 cm.
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57出版 1928Fort Collins, CO : Extension Service, Colorado Agricultural College, 1928-1 online resource (volumes) : illustrationsCenter for Research Libraries, 1928
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