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)

Index zoologicus no. II. An alphabetical list of names of genera and subgenera proposed for use in zoology as recorded in the "Zoological record," vols. 38-47 inclusive (1901-1910) and the zoology volumes of the "International catalogue of scientific literature" annual issues 1-10, together with other names not included in previous nomenclators - Zoological Society of London. (Printed for the Society, 1912)

Indian Museum notes - Indian Museum. ([Indian Museum], 1889)

Indian Museum notes - Indian Museum. ([Indian Museum], 1893)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1846)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1847)

Insekten-Börse (1898)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature M Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature M Botany - 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, 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, 1911)

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, 1915)

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

Internationales Wörterbuch der Pflanzennamen : in Lateinischer, Deutscher, Englischer und Französischer Sprache : zum Gebrauche für Botaniker, insbesondere für Handelsgärtner, Landwirthe, Forstbeflissene und Pharmaceuten - Ulrich, Wilhelm. (H. Schmidt, 1872)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green and Longman, 1835)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Orme, Brown, Green, and Longmans, 1839)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1832)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Brown, Green, and Longmans, 1848)

An introduction to botany - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, & Longman, 1832)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere; [etc.,etc], 1857)

Introduction to cryptogamic botany - Berkeley, M. J. (Miles Joseph), 1803 -1889 (H. Bailliere, 1857)

Introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill Book Company, inc, 1934)

An introduction to the natural system of botany: or, A systematic view of the organization, natural affinities, and geographical distribution of the whole vegetable kingdom; together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (G. & C. & H. Carvill, 1831)

An introduction to the science of botany : chiefly extracted from the works of Linnaeus : to which are added, several new tables and notes, and a life of the author - Linné, Carl von, 1707 -1778 (Printed for F.C. and J. Rivington, Wilkie and Robinson, J. Walker, White and Co., [etc.], 1810)

An introduction to the science of botany chiefly extracted from the works of Linnaeus, to which are added several new tables and notes and a life of the author - Thornton, Robert John, 1837 (printed for F. C. and J. Rivington ; Wilkie and Robinson ; J. Walker ; White and Co. ; Longman, Hurst, Rees, and Orme ; Cadell and Davies ; Lackington, Allen and Co. ; J. Booker : J. Mawman. B. Crosby and Co. ; W. Haynes ; Sherwood, Neely and Jones ; J. J, 1810)

An introduction to the study of botany - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1833)

Introduction to the study of fungi : their organography, classification and distribution, for the use of collectors - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (A. and C. Black, 1895)

Introduction to the study of fungi; their organography, classification, and distribution, for the use of collectors - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (A. and C. Black, 1895)

Invertebrates in need of special protection in Europe (1987)

Invertebres ayant besoin d'une protection speciale en Europe (1987)

Ioannis Antonii Scopoli ... Flora Carniolica : exhibens plantas Carnioliae indigenas et distributas in classes, genera, species, varietates, ordine Linnaeano - Scopoli, Giovanni Antonio, 1723 -1788 (Impensis Ioannis Pauli Krauss, bibliopolae Vindobonensis, 1772)

Ipsa Chiereghinii Conchylia, ovvero contribuzione pella Malacologia Adriatica desunta dal manoscritto descrizione de' Crostacei, de' Testacei, e de' Pesci che abitano le Lagune e Golfo Veneto, rappresentati in figure, a chiaro-scuro ed a colori dall Abate S. Chiereghini ... illustrata da S. Brusina - Brusina, Spiridion, 1845 -1908 (1870)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1892)

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

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1896)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1908)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1909)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1919)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1924)

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, 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, 1822)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1838)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

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)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1846)

The IUCN Invertebrate Red Data Book (1983)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1860)

Jahrbuch der Kaiserlich Königlichen Geologischen Reichsanstalt - K.K. Geologische Reichsanstalt (Austria) (K.K. Hof- und Staats-Druckerei, 1893)

Jahrbuch der Königlich Preussischen Geologischen Landesanstalt und Bergakademie zu Berlin für das Jahr ... - Königlich Preussische Geologische Landesanstalt und Bergakademie zu Berlin. (Simon Schropp'schen Hof-Landkartenhandlung, 1907)

Jahrbücher der Deutschen Malakozoologischen Gesellschaft - Kobelt, Wilhelm, 1840 -1916 (Verlag von Johannes Alt, 1887)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1869)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1873)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1891)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1844)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1911)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1916)

Jahrbücher für wissenschaftliche Botanik - Strasburger, Eduard, 1844 -1912 (G. Borntraeger, 1863)

Jahrbücher für wissenschaftliche Botanik - Strasburger, Eduard, 1844 -1912 (G. Borntraeger, 1912)

Jahrbücher für wissenschaftliche Botanik - Strasburger, Eduard, 1844 -1912 (G. Borntraeger, 1923)

Jahres-Bericht der Schlesischen Gesellschaft für Vaterländische Cultur - Herrick, Francis Hobart, 1858 -1940 (G.P. Aderholz, 1885)