Intercontinental migration of Neogene amphicyonids (Mammalia, Carnivora) : appearance of the Eurasian beardog Ysengrinia in North America - Hunt, Robert M., Jr. 1941 - (American Museum of Natural History, 2002)

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, 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, 1901)

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 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)

Internationale Monatsschrift für Anatomie und Histologie (1884)

Internationale Monatsschrift für Anatomie und Histologie (1885)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1889)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1890)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1894)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1901)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1914)

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

An introduction to geology : intended to convey a practical knowledge of the science, and comprising the most important recent discoveries, with explanations of the facts and phenomena which serve to confirm or invalidate various geological theories - Silliman, Benjamin, 1779 -1864 (Hezekiah Howe & Co, 1833)

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 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 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)

Inuit, polar bears, and sustainable use local, national and international perspectives - Freeman, Milton M.R. 1934 - (CCI Press, 2009)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1912)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1921)

Iowa year book of agriculture - Iowa. Dept. of Agriculture. (Iowa Dept. of Agriculture, 1914)

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, 1824)

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

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, 1838)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1839)

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)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)