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 the comparative anatomy of animals - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (G. Bell & sons, 1902)

An introduction to the study of the comparative anatomy of animals - Bourne, Gilbert C. (Gilbert Charles), 1861 -1933 (G. Bell & sons, 1919)

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, 1889)

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

Introduction to zoology; a guide to the study of animals, for the use of secondary schools - Davenport, Charles Benedict, 1866 -1944 (Macmillan company, 1900)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1932)

The Invertebrata; a manual for the use of students - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Macmillan, 1935)

Invertebrate palaeontology; an introduction to the study of fossils - Hawkins, Herbert Leader, 1887 - (Methuen & co. ltd, 1920)

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

The involuntary nervous system - Gaskell, Walter Holbrook, 1847 -1914 (Longmans, Green and co, 1916)

Ioan Henrici Alstedii Scientiarum omnium encyclopædiæ : tomus primus [-quartus] ... - Alsted, Johann Heinrich, 1588 -1638 (Sumptibus Ioannis Antonii Huguetan Filij, & Marci Antonii Ravaud, viâ Mercatoriâ ad insigne Sphæræ, 1649)

Ioannis Antonii Scopoli ... Annus I-[V] historico-naturalis ... - Scopoli, Giovanni Antonio, 1723 -1788 (Sumtib. C.G. Hilscheri, 1772)

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)

Ioannis Antonii Scopoli phil. et med. doct. ... Annus I[-V] historico-naturalis ... - Scopoli, Giovanni Antonio, 1723 -1788 (Sumtib. Christ. Gottlob Hilscheri, 1769)

Ioannis Philippi Breynii, M.D. Academ. Imperial. Nat. Curios. ... Dissertatio physica de Polythalamiis, nova testaceorum classe. Cui quaedam praemittuntur de methodo testacea in classes et genera distribuendi. Huic adiicitur commentatiuncula de Belemnitis Prussicis ; tandemque schediasma de Echinis methodice disponendis ... - Breyn, Johann Philipp, 1680 -1764 (Apud Cornelium a Beughem, 1732)

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, 1894)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1901)

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, 1818)

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, 1826)

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