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Insektenbörse (Alfred Kernen, 1911)

Insektenbörse (Alfred Kernen, 1914)

Insektenbörse (Alfred Kernen, 1915)

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The Intellectual observer (Groombridge and Sons, 1868)

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International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1907)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1909)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

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An introduction to the study of the Protozoa : with special reference to the parasitic forms - Minchin, E. A. (Edward Alfred), 1866 -1915 (E. Arnold, 1917)

An introduction to the study of the protozoa, with special reference to the parasitic forms - Minchin, E. A. (Edward Alfred), 1866 -1915 (Arnold, 1922)

An introduction to the study of the Protozoa, with special reference to the parasitic forms - Minchin, E. A. (Edward Alfred), 1866 -1915 (E. Arnold, 1912)

An introduction to the study of the Protozoa, with special reference to the parasitic forms - Minchin, E. A. (Edward Alfred), 1866 -1915 (E. Arnold, 1922)

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An introduction to zoology : for the use of high schools - Wright, R. Ramsay (Robert Ramsay), 1852 -1933 (Copp, Clark Co, 1889)

An introduction to zoology for the use of high schools - Wright, R. Ramsay (Robert Ramsay), 1852 -1933 (Copp, Clark, 1889)

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