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61
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62by Toutain, Jules (Jules Francois), 1865-1961Subjects: “...Agriculture History....”
Published 1930
Book -
63
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64
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65Published 1977Subjects: “...Agriculture History Congresses....”
Book -
66
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67by Smith, Philip E. L. (Philip Edward Lake)Subjects: “...Agriculture History....”
Published 1976
Book -
68
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69by Toutain, Jules (Jules Francois), 1865-1961Subjects: “...Agriculture History....”
Published 1927
Book -
70
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71
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72by Smith, Maryanna S.Subjects: “...United States. Department of Agriculture History Bibliography....”
Published 1974
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73
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74Published 1976Subjects: “...Agriculture History Congresses....”
Book -
75
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76
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77
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78by Crawford, Robert Platt, 1893-Subjects: “...University of Nebraska (Lincoln campus). College of Agriculture History....”
Published 1925
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79
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80