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Browsing by Author "Cowgill, Helen"
Now showing items 1-20 of 31
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen (Corvallis, Or. : Extension Service, Oregon State Agricultural College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen (Corvallis, Or. : Extension Service, Oregon State Agricultural College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1938-06)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen; Sager, Azalea (Corvallis, Or. : Extension Service. Oregon State Agricultural College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service. Oregon State College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen; Sager, Azalea (Corvallis, Or. : Extension Service, Oregon State Agricultural College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen (Corvallis, Or. : Extension Service. Oregon State Agricultural College, Unknown Da)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen (Corvallis, Or. : Extension Service. Oregon State Agricultural College, Unknown Da)
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Oregon State College. Federal Cooperative Extension Service; Seymour, H. C.; Cowgill, Helen; Allen, L. J. (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, 1939-12)
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Oregon State Agricultural College. Extension Service; Cowgill, Helen; Kuehner, R.C.; Seymour, H.C. (Corvallis, Or. : Extension Service, Oregon State Agricultural College, 1930)
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Oregon State College. Federal Cooperative Extension Service; Cowgill, Helen (Corvallis, Or. : Federal Cooperative Extension Service, Oregon State College, Unknown Da)
Now showing items 1-20 of 31
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