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)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1907)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1908)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1910)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1911)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1912)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1913)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1915)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1919)

Internationale entomologische Zeitschrift - Internationales Entomologen-Bund. (Internationaler Entomologischer Verein E.V, 1921)

An introduction to acarology - Wharton, G. W. (George Willard), 1914 -1990 (Macmillan, 1952)

An introduction to animal morphology and systematic zoology - Macalister, Alexander, 1844 -1919 (Longmans, 1876)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (Comstock, 1888)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co, 1920)

An introduction to entomology - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme & Brown, 1818)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (Comstock, 1949)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (The Comstock publishing co., inc, 1933)

An introduction to entomology - Comstock, John Henry, 1849 -1931 (J.S. Comstock, 1888)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1816)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme, and Brown, 1822)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1823)

An introduction to entomology, or, Elements of the natural history of insects : with plates - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1817)

An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families - Westwood, J. O. (John Obadiah), 1805 -1893 (Longman, Orme, Brown, Green, and Longmans, 1839)

An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families - Westwood, J. O. (John Obadiah), 1805 -1893 (Longman, Orme, Brown, Green, and Longmans, 1840)

Introduction to zoology; a guide to the study of animals, for the use of secondary schools - Davenport, Charles Benedict, 1866 -1944 (Macmillan company, 1900)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1932)

Invertebrata : Tasmania's Invertebrate newsletter - Queen Victoria Museum; Art Gallery (Launceston, Tas.) (Queen Victoria Museum & Art Gallery, 1996)

Invertebrata : Tasmania's Invertebrate newsletter - Queen Victoria Museum; Art Gallery (Launceston, Tas.) (Queen Victoria Museum & Art Gallery, 1998)

Invertebrata : Tasmania's Invertebrate newsletter - Queen Victoria Museum; Art Gallery (Launceston, Tas.) (Queen Victoria Museum & Art Gallery, 1999)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 1994)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2003)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2009)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2011)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2012)

Invertebrate conservation news - Amateur Entomologists' Society (Great Britain) (Amateur Entomologists' Society, 2014)

Invertebrates in need of special protection in Europe (1987)

Invertebres ayant besoin d'une protection speciale en Europe (1987)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1936)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1895)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1903)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1829)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1841)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

Island biology - Carlquist, Sherwin John, 1930 - (Columbia University Press, 1974)

Island life; or, the phenomena and causes of insular faunas and floras, including a revision and attempted solution of the problem of geological climates - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1880)

Island life, or, the phenomena and causes of insular faunas and floras : including a revision and attempted solution of the problem of geological climates - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co, 1880)

Island life; or, the phenomena and causes of insular faunas and floras, including a revision and attempted solution of the problem of geological climates - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1892)

IUCN Directory of Afrotropical Protected Areas (1987)