1
Published 1910
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2
by Topinard, Paul, 1830-1911.
Published 1894
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3
by Swaine, G. R.
Published 1914
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5
by Lucka, Emil, 1877-1941.
Published 1917
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6
by Rames, J.
Published 1894
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7
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8
by Rubin, Edgar, 1886-1951.
Published 1919
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10
by Darwin, Charles, 1809-1882.
Published 1874
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11
by Koller, Armin Hajman, 1878-
Published 1918
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12
by Andresen, Carl.
Published 1891
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13
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15
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17
by Martius, Friedrich, 1850-1923.
Published 1914
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18
by Perrier, Edmond, 1844-1921.
Published 1921
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20
by Keith, Arthur, Sir, 1866-1955.
Published 1920
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