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The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1892)

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The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1894)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1895)

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The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1900)

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