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Validity of the Survey Method of Research (Classic Reprint)
by Spillman, William Jasper
ISBN: 9780331353402
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Factors of Successful Farming near Monett, Mo
by Spillman, W. J. (William Ja...
ISBN: 9781362081029
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What Is Farm Management?; Volume No. 259
by Spillman, W. J. (William Ja...
ISBN: 9781374416468
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Validity of the Survey Method of Research (Classic Reprint)
by Spillman, William Jasper
ISBN: 9780260972583
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Farm Grasses of the United States : A Practical Treatise on the Grass Crop, Seeding and Mana...
by Spillman, William Jasper
ISBN: 9781527973718
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Application of Some of the Principles of Heredity to Plant Breeding
by Spillman, William Jasper
ISBN: 9781341348075
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A Picture of the Grain Industry; Crop Areas--buying Areas--future of the Industry
by Spillman, W. J. (william Ja...
ISBN: 9781021005786
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A Picture of the Grain Industry; Crop Areas--buying Areas--future of the Industry
by Spillman, W. J. (william Ja...
ISBN: 9781022579002