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)

Internationale Monatsschrift für Anatomie und Histologie (1884)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1891)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1893)

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

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 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 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 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)

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 the systematics of small-bodied Neacomys (Rodentia, Cricetidae) from Peru with descriptions of two new species - Pacheco, Víctor (American Museum of Natural History, 2018)

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

Introduction to zoology... - Patterson, Robert, 1802 -1872 (Simms and MIntyre, 1854)

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)

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

Invasive alien flora and fauna in South Africa : expertise and bibliography - South African National Biodiversity Institute. (South African National Biodiversity Institute, 2007)

Investigations, chemical and physiological, relative to certain American Vertebrata - Jones, Joseph, 1833 -1896 (Smithsonian Institution, 1856)

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)

Ioannis Eusebii Nierembergii Madritensis ex Societate Iesu ... historia naturæ, maxime peregrinæ, libris XVI. distincta. In quibus rarissima naturæ arcana, etiam astronomica, & ignota Indiarum animalia ... plantæ, metalla, lapides ... fluuioruḿque & elementorum conditiones, etiam cum proprietatibus medicinalibus, describuntur ... : Accedunt de miris & miraculosis naturis in Europâ libri duo: item de iisdem in terrâ Hebræis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (ex officina Plantiniana Balthasaris Moreti, 1635)

Ioannis Eusebii Nierembergii Madritensis ex Societate Iesu ... Historia naturae, maxime peregrinae, libris XVI. distincta : in quibus rarissima naturae arcana, etiam astronomica, & ignota Indiarum animalia, ... plantae, metalla, lapides & alia mineralia, fluuiorumque & elementorum conditiones, etiam cum proprietatibus medicinalibus, describuntur ... : accedunt de miris & miraculosis naturis in Europâ libri duo, item de iisdem in terrâ Hebraeis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (Ex officina Plantiniana Balthasaris Moreti, 1635)

Ioannis Evsebii Nierembergii ... Historia natvrae, maxime peregrinae, libris XVI. distincta. In quibus rarissima naturae arcana, etiam astronomica, & ignota indiarum animalia, quadrupedes, aues, pisces ... describuntur ... Accedunt de miris & miraculosis naturis in Europâ libri duo: item de iisdem in terrâ Hebraeis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (ex officina Plantiniana Balthasaris Moreti, 1635)

Birds peculiar to Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 (Published by the author, 1878)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1893)

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, 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)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1825)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1826)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1827)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1828)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1830)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1831)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1832)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1835)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1836)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1837)

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, 1842)