Index palaeontologicus : oder Übersicht der bis jetzt bekannten fossilen Organismen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweitzerbart, 1848)

Index rerum naturalium quae conservantur in Museo Academico Groningano = Naamlijst der voorwerpen van natuurlijke historie welke bewaard worden in het Akademisch Museum te Groningen - Swinderen, Theodorus van, 1784 -1851 (Bij J. Oomkens, Akademie-drukker, 1822)

An index to the generic and trivial names of animals, described by Linnaeus, in the 10th and 12th editions of his "Systema naturae." - Sherborn, Charles Davies, 1861 -1942 (Dulau & co, 1899)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1881)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1884)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1886)

Indigenous drugs of India : their medical and economic aspects - Chopra, R. N. (Ram Nath), 1882 -1973 (The Art Press, 1933)

Insect miscellanies - Rennie, James, 1787 -1867 (C. Knight, 1831)

Insect miscellanies ... - Rennie, James, 1787 -1867 (Nattali and Bond, 1838)

Insektenbörse (Alfred Kernen, 1914)

Gli insetti: loro organizzazione, sviluppo, abitudini e rapporti coll 'uomo - Berlese, Antonio, 1863 -1927 (Società Editrice libraria, 1909)

The Intellectual observer (Groombridge and Sons, 1862)

The internal secretory organs: their physiology and pathology - Biedl, Artur, 1869 -1933 (Bale, 1913)

International catalogue of scientific literature N Zoology - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1901)

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, 1914)

Internationale Monatsschrift für Anatomie und Histologie (1884)

Internationale Monatsschrift für Anatomie und Histologie (1885)

Introductio ad historiam naturalem sistens genera lapidum, plantarum, et animalium :hactenus detecta, caracteribus essentialibus donata, in tribus divisa, subinde ad leges naturae - Scopoli, Giovanni Antonio, 1723 -1788 (Apud Wolfgangum Gerle, 1777)

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

An introduction to entomology : or, Elements of the natural history of insects, comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans & Roberts, 1857)

An introduction to entomology : or, Elements of the natural history of insects : comprisng an account of noxious and useful insects, of their metamorphoses, food, strategems, habitations, societies, motions, noises, hybernation, instinct, etc. etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, and Longmans, 1843)

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 ... - Kirby, William, 1759 -1850 (Longmans, Green, 1865)

An introduction to entomology: or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longmans, Green, and Co, 1867)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Longman, Rees, Orme, Brown, and Green, 1828)

An introduction to entomology; or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Longman, Rees, Orme, Brown, and Green, 1828)

An introduction to entomology: or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans, & Roberts, 1860)

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: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc. with plates - Kirby, William, 1759 -1850 (Lea and Blanchard, 1846)

An introduction to entomology; or, Elements of the natural history of insects: comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc. With plates - Kirby, William, 1759 -1850 (Lea and Blanchard, 1846)

An introduction to entomology : or, Elements of the natural history of insects - Kirby, William, 1759 -1850 (Printed for Longman, Hurst, Rees, Orme, and Brown, 1818)

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

An introduction to entomology; or, Elements of the natural history of insects : comprising an account of noxious and useful insects, of their metamorphoses, food, strategems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green, Longmans, & Roberts, 1858)

An introduction to entomology, or, Elements of the natural history of insects : comprising an account of noxious and useful insects, of their metamorphoses, food, stratagems, habitations, societies, motions, noises, hybernation, instinct, etc., etc - Kirby, William, 1759 -1850 (Longman, Brown, Green and Longmans, 1856)

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 entomology: or Elements of the natural history of insects: with plates - Kirby, William, 1759 -1850 (Longman, Hurst, Rees, Orme, and Brown, 1828)

Introduction to mammalia - Smith, Charles Hamilton, 1776 -1859 (W. H. Lizars, 1858)

Introduction to mammalia - Smith, Charles Hamilton, 1776 -1859 (Chatto & Windus, 1840)

An introduction to the mammalian dentition - Todd, T. Wingate (Thomas Wingate), 1885 -1938 (C. V. Mosby company, 1918)

An introduction to the mammalian dentition - Todd, T. Wingate (Thomas Wingate), 1885 -1938 (C.V. Mosby company, 1918)

An introduction to the ornithology of Cuvier : for the use of students and travellers - Royal College of Physicians of London. (Treuttel & Würtz, 1821)

An introduction to the osteology of the Mammalia - Flower, William Henry, 1831 -1899 (Macmillan, 1885)

An introduction to the osteology of the mammalia : being the substance of the course of lectures delivered at the Royal College of Surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1870)

An introduction to the osteology of the mammalia : being the substance of the course of lectures delivered at the Royal College of Surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1876)

An introduction to the osteology of the Mammalia : being the substance of the course of lectures delivered at the Royal college of surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1876)

An introduction to the osteology of the mammalia - Flower, William Henry, 1831 -1899 (Macmillan, 1885)

An introduction to the study of mammals living and extinct - Flower, William Henry, 1831 -1899 (A. and C. Black, 1891)

An introduction to the study of mammals, living and extinct - Flower, William Henry, 1831 -1899 (A. and C. Black, 1891)

An introduction to the systematic zoology and morphology of vertebrate animals - Macalister, Alexander, 1844 -1919 (Hodges, Foster and Figgis, 1878)

An introduction to zoology - Gosse, Philip Henry, 1810 -1888 (Printed for the Society for promoting Christian knowledge, 1844)

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

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

Io. Christ. Polyc. Erxleben Phil. D. ... Systema regni animalis per classes, ordines, genera, species, varietates : cvm synonymia et historia animalivm : Classis I. Mammalia - Erxleben, Johann Christian Polycarp, 1744 -1777 (Impensis Weygandianis, 1777)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1818)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1819)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1820)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1821)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1822)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1823)