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

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.], 1884)

Information resources on fish welfare, 1970-2003 - Animal Welfare Information Center (U.S.) (U.S. Dept. of Agriculture, Agricultural Research Service, National Agricultrual Library, Animal Welfare Information Center, 2003)

Infraorbital bones and their bearing on the phylogeny and geography of osteoglossomorph fishes - Nelson, Gareth J. (American Museum of Natural History, 1969)

Inland fishes of Massachusetts - Massachusetts Audubon Society. (Massachusetts Audubon Society, 2002)

Insects Part 2. Hymenoptera continued (Tubulifera and Aculeata), Coleoptera, Strepsiptera, Lepidoptera, Diptera, Aphaniptera, Thysanoptera, Hemiptera, Anoplura - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan, 1909)

The intermuscular system of acanthomorph fishes : a commentary - Johnson, G. David (American Museum of Natural History, 2001)

Internal secretion and the ductless glands - Vincent, Swale. (Arnold, 1922)

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

The internal secretory organs: their physiology and pathology - Biedl, Artur, 1869 -1933 (W. Wood & company, 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, 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 catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1917)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

Internationale Monatsschrift für Anatomie und Histologie (1886)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1887)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1898)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1899)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1900)

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

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1902)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1905)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1907)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1909)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1910)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1911)

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

Interrelationships of fossil and recent anchovies (Teleostei, Engrauloidea) and description of a new species from the Miocene of Cyprus - Grande, Lance (American Museum of Natural History, 1985)

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 classification of animals - Huxley, Thomas Henry, 1825 -1895 (J. Churchill & sons, 1869)

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