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By: Nicoll, Michael JType: ArticleIn: IbisVolume: 3Series: 9Issue: 4Date: 1909Page Range: 623--649Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,Subjects:
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By: Nicoll, Michael JType: ArticleIn: IbisVolume: 3Series: 9Issue: 3Date: 1909Page Range: 471--484Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,Subjects:
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By: Nicoll, Michael JType: ArticleIn: IbisVolume: 3Series: 9Issue: 2Date: 1909Page Range: 285--302Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,Subjects:
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By: Nicoll, Michael JType: ArticleIn: IbisVolume: 6Series: 8Issue: 4Date: 1906Page Range: 666--712Publication Info: [London], Published for the British Ornithologists' Union by Academic Press,Subjects: