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By: Campbell, A SType: ArticleIn: The Lingnaam agricultural reviewVolume: 1Series:Issue: 1Date: 1922Page Range: 82--85Publication Info: Canton College Press 1922-Subjects:
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By: Oldt, Frank - Campbell, A SType: ArticleIn: The Lingnaam agricultural reviewVolume: 1Series:Issue: 1Date: 1922Page Range: 80--81Publication Info: Canton College Press 1922-Subjects:
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By: Campbell, A SType: ArticleIn: The Lingnaam agricultural reviewVolume: 3Series:Issue: 1Date: 1925Page Range: 16--17Publication Info: Canton College Press 1922-Subjects: