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)

The industries of animals - Houssay, Frédéric, 1860 -1920 (W. Scott, Ltd, 1899)

The industries of animals - Houssay, Frédéric, 1860 -1920 (W. Scott, ltd, 1893)

Die insel Lussin und ihre Meeresfauna : Nach einem Sechswöchentlichen Aufenthalte - Grube, Adolph Eduard, 1812 -1880 (F. Hirt, 1864)

The Intellectual observer (Groombridge and Sons, 1863)

The Intellectual observer (Groombridge and Sons, 1864)

The Intellectual observer (Groombridge and Sons, 1867)

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, 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, 1912)

Internationale Monatsschrift für Anatomie und Histologie (1886)

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 conchology; or, Elements of the natural history of molluscous animals - Johnston, George, 1797 -1855 (J. Van Voorst, 1850)

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 study of zoology - Lindsay, B. (S. Sonnenschein, 1895)

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)

Introduction to zoology, for the use of schools - Patterson, Robert, 1802 -1872 (Simms and M'Intyre, A. Chambers, 1848)

Introduction to zoology : for the use of schools - Patterson, Robert, 1802 -1872 (Simms and M'Intyre, 1848)

An introduction to zoology, with directions for practical work (invertebrates) - Lulham, Rosalie Blanche Jermaine. (Macmillan, 1913)

The invertebrate fauna of the Firth of Forth - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (Printed by M'Farlane & Erskine, 1881)

Invertebrate zoology - Levi, Herbert Walter, 1921 -2014 (Krieger, 1900)

Invertebrate zoology - Van Cleave, Harley Jones, 1886 -1953 (McGraw-Hill Book Company, Inc, 1931)

An investigation of population dynamics, individual behavior and learning capacity of Pagurus samuelis of Carmel Bay, California - Naval Postgraduate School (U.S.) (Naval Postgraduate School, 1971)

Ioann. Ionstoni Historiae natvralis de exangvibvs aqvaticis libri IV - Jonstonus, Joannes, 1603 -1675 (Franciscvs Iosephvs Eckebrecht, 1767)

Ioannis Antonii Scopoli med. doct. s. c. r. et apost. maiest. montanae civitatis Idriae physici Entomologia Carniolica : exhibens insecta Carnioliae indigena et distributa in ordines, genera, species, varietates : methodo linnaeana - Scopoli, Giovanni Antonio, 1723 -1788 (Typis Ioannis Thomae Trattner, 1763)

Ioannis Antonii Scopoli Med. Doct. S.C.R. ... Entomologia Carniolica exhibens insecta Carnioliae indigena et distributa in ordines, genera, species, varietates : methodo Linnaeana - Scopoli, Giovanni Antonio, 1723 -1788 (Typis Ioannis Thomae Trattner, 1763)

Ioh. Christ. Fabricii hist. nat. oecon. et cameral. p.p.o. soc. ... Mantissa insectorum : sistens eorum species nuper detectas, adiectis characteribus genericis, differentiis specificis, emendationibus, observationibus - Fabricius, Johann Christian, 1745 -1808 (Impensis Christ. Gottl. Proft, 1787)

Ioh. Christ. Fabricii histor. nat. oecon. et cameral. prof. Kiloniens ... Species insectorum : exhibentes eorum differentias specificas, synonyma auctorum, loca natalia, metamorphosin : adiectis observationibus, descriptionibus - Fabricius, Johann Christian, 1745 -1808 (Impensis Carol. Ernest. Bohnii, 1781)

Ioh. Christ. Fabricii, prof. hist. nat. ... Philosophia entomologica : sistens scientiae fundamenta : adiectis definitionibus, exemplis, observationibus, adumbrationibus - Fabricius, Johann Christian, 1745 -1808 (Impensis Carol. Ernest. Bohnii, 1778)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1905)

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)