Illustrations of British ornithology - Selby, Prideaux John, 1788 -1867 (Printed for the proprietor, and published by W.H. Lizars ; London : Longman, Rees, Orme, Brown, Green and Longman ; Dublin : W. Curry Jun. & Co, 1833)

Illustrations of instinct, deduced from the habits of British animals - Couch, Jonathan, 1789 -1870 (J. van Voorst, 1847)

Illustrations of the birds of California, Texas, Oregon, British and Russian America. : Intended to contain descriptions and figures of all North American birds not given by former American authors, and a general synopsis of North American ornithology - Cassin, John, 1813 -1869 (J.B. Lippincott & Co, 1862)

Illustrations of the Linnaean genera of insects - Wood, W. (William), 1774 -1857 (W. Wood, 1821)

Illustrations of zoology. The engravings by F.W. Lowry and Thomas Landseer (John Joseph Griffin and Co, 1851)

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1869)

Die im Bernstein befindlichen organischen Reste der Vorwelt, gesammelt - Berendt, Georg Carl, 1790 -1850 (In Commission der Nicolaischen Buchhandlung, 1854)

Important bird areas in Kenya - National Museums of Kenya. Department of Ornithology. (Nature Kenya, East Africa Natural History Society, 1999)

In memoriam quattuor seculorum ab Universitate Upsaliensi peractorum Regia Societas Scientiarum Upsaliensis - Societas Regia Scientiarum Upsaliensis. (Excudit Ed. Berling Reg. Acad. Typographus, 1877)

Index alphabeticus in J.C. Fabricii Supplementum Entomologiae systematicae : ordines, genera et species contiens - Fabricius, Johann Christian, 1745 -1808 (Apud Proft et Storch, 1799)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1758)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1902)

Index-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1909)

Index fungorum : sistens icones et specimina sicca nuperis temporibus edita : adjectis synonymis - Hoffmann, Hermann, 1819 -1891 (Sumptibus A. Frstneri, 1863)

Index generum avium : a list of the genera and subgenera of birds - Waterhouse, Frederick Herschel, 1845 -1919 (R.H. Porter, 1889)

Index Kewensis plantarum phanerogamarum : nomina et synonym omnium generum et specierum a linnaeo usque as annum MDCCLXXXV complectans nomine recepro auctore patria unicuique planta subjectis : sumptibus beati Caroli Roberti Darwin ductu et consilio Josephi D. Hooker Tomus 1-2 = Index Kewensis : an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive together with their authors names, the works in which they were first published, their native countries and thei - Hooker, Joseph Dalton, 1817 -1911 (Clarendon Press, 1893)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCLXXXVI usque ad finem anni MDCCCXCV complectens Supplementum primum - Royal Botanic Gardens, Kew. (apud Alfredum Castaigne)

Index ornithologicus, sive, Systema ornithologiae : complectens avium divisionem in classes, ordines, genera, species, ipsarumque varietates : adjectis synonymis, locis, descriptionibus, &c - Latham, John, 1740 -1837 (Sumptibus authoris, 1790)

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)

Index to the genera of birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1920)

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)

Insecta; publication mensuelle de la Station entomologique de la Faculté des sciences de Rennes - Faculté des sciences de Rennes. Station entomologique (Impr. Oberthur, 1915)

Les insectes, morphologie - reproduction - embryogenie - Henneguy, L. F. (Louis Félix), 1850 -1928 (Masson, 1904)

Les insectes : Traité élémentaire d'entomologie, comprenant l'histoire des esèces utiles et de leurs produits des espèces nuisibles et des moyens de les détruire, l'étude des métamorphoses et des moeurs, les procédés de chasses et de conversation - Girard, Maurice, 1822 -1886 (J.-B. Baillière, 1873)

Die Insekten - Graber, Vitus, 1844 -1892 (R. Oldenbourg, 1877)

Insekten-Börse (1898)

Insekten-Börse (1902)

Insekten-Börse (1904)

Insektenkalender für Sammler und Oekonomen - Brahm, Nikolaus Joseph, 1754 -1821 (in der kurfürstl. privileg. Universitätsbuchhandlung, 1790)

Die insel Cypern, ihrer Physischen und Organischen Natur nach mit Rücksicht auf ihre frühere Geschichte - Unger, F. (Franz), 1800 -1870 (W. Braumüller, 1916)

The Intellectual observer (Groombridge and Sons, 1866)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

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 M Botany - 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, 1902)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

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, 1915)

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 [Sect.] M. Botany : 1st -14th annual issues, 1901-1914 (Published for the International Council by the Royal Society of London, 1905)

International code of nomenclature of bacteria and viruses; bacteriological code, publication date: June, 1958 - International Committee on Bacteriological Nomenclature. (Iowa State College Press, 1958)

International code of zoological nomenclature = Code international de nomenclature zoologique - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 1999)

International code of zoological nomenclature, adopted by the XV International Congress of Zoology / Code international de nomenclature zoologique, adopté par le XVe Congrès international de zoologie - International Commission on Zoological Nomenclature (Published for the International Commission on Zoological Nomenclature by the International Trust for Zoological Nomenclature, 1961)

International code of zoological nomenclature adopted by the XV International Congress of Zoology / Code international de nomenclature zoologique, adopté par le XVe Congrès international de zoologie - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1964)

Introduction á la zoologie générale - Milne-Edwards, H. (Henri), 1800 -1885 (Victor Masson, 1851)

Introduction a la zoologie générale, ou, Considérations sur les tendances de la nature dans la constitution du règne animal 1er. partie - Milne-Edwards, H. (Henri), 1800 -1885 (Chez Victor Masson, 1851)

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

An introduction to animal morphology and systematic zoology : pt. I. Invertebrata - Macalister, Alexander, 1844 -1919 (Longmans, Green, 1876)

An introduction to geology : and its associate sciences mineralogy, fossil botany, and palaeontology - Wright, Thomas, 1809 -1884 (H. G. Bohn, 1855)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (Morby, 1920)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (T. Murby, 1920)

An introduction to the comparative anatomy of animals : compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the comparative anatomy of animals compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the natural history of birds : being the article "Ornithology," from the seventh edition of the Encyclopaedia Britannica : with one hundred and thirty-five figures - Wilson, James, 1795 -1856 (Adam and Charles Black, 1839)

An introduction to the natural history of birds; being the article "Ornithology", from the seventh edition of the Encyclopedia Britannica ... - Wilson, James, 1795 -1856 (A. and C. Black, 1839)

An introduction to the ornithology of Cuvier : for the use of students and travellers - Cuvier, Georges, baron, 1769 -1832 (Printed by J. Smith, 1821)

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 study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (Griffin, 1887)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (P. Blakiston, 1887)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Co, 1921)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Company, 1914)