(1905). The ... annual Iowa year book of agriculture / issued by the Iowa Department of Agriculture.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)The ... Annual Iowa Year Book of Agriculture / Issued by the Iowa Department of Agriculture. 1905.
MLA -ийн эшлэл (9 дэх хэвлэлт)The ... Annual Iowa Year Book of Agriculture / Issued by the Iowa Department of Agriculture. 1905.
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