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 medicinal plants - Basu, Baman Das, 1867 -1930 (Sudhindra Nath Basu, Pâninî office; [etc., etc.], 1918)

Indigenous drugs of India : their medical and economic aspects - Chopra, R. N. (Ram Nath), 1882 -1973 (The Art Press, 1933)

Die indo-malayische Strandflora - Schimper, A. F. W. (Andreas Franz Wilhelm), 1856 -1901 (G. Fischer, 1891)

The influence of light and darkness upon growth and development - MacDougal, Daniel Trembly, 1865 -1958 (1903)

Information for and approaches to forage allocation - United States. Bureau of Land Management. (Colorado State University, 1981)

Injury, recovery, and death, in relation to conductivity and permeability - Osterhout, W. J. V. (Winthrop John Van Leuven), 1871 -1964 (J.B. Lippincott Company, 1922)

Injury, recovery, and death, in relation to conductivity and permeability - Osterhout, W. J. V. (Winthrop John Van Leuven), 1871 -1964 (J.B. Lippincott, 1922)

Inorganic plant poisons and stimulants - Brenchley, Winifred E. (Winifred Elsie), 1883 -1953 (University Press, 1914)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1897)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1939)

Insecta Britanica : Diptera / by Francis Walker - Walker, Francis, 1809 -1874 (Reeve and Benham, 1856)

Insecta britannica. Diptera - Walker, Francis, 1809 -1874 (Reeve and Benham, 1851)

Insecta Britannica: Diptera - Walker, Francis, 1809 -1874 (Reeve, 1851)

Insects. Part K insect life in the western Arctic coast of America - Johansen, Frits, 1882 -1957 (T. Mulvey, 1921)

Insekten-Börse (1894)

Insekten-Börse (1901)

Insekten-Börse (1905)

Die Insekten, Tausendfüssler und Spinnen - Brehm, Alfred Edmund, 1829 -1884 (Bibliographische Institut, 1892)

Das Insektenleben Österreichs ; mit einem Anhand über Gallen und ahnliche Pflanzenverustaltungen samt deren Erzeuger. Ein Handbuch und Wegweiser für Naturfreunde jeder Art - Mader, Leopold. (Hölder-Pichler-Tempsky, 1922)

Die Insektenwelt : ein Taschenbuch zu entomologischen Exkursionen für Lehrer und Lernende - Karsch, Dr., (Anton) 1822 -1892 (O. Lenz, 1883)

Die insel Cypern, ihrer Physischen und Organischen Natur nach mit Rücksicht auf ihre frühere Geschichte - Unger, F. (Franz), 1800 -1870 (W. Braumüller, 1916)

Intelligenzblatt zur Flora, oder allgemeine botanischen zeitung ... - Goebel, K. (Karl), 1855 -1932 (s.n, 1837)

Intermountain range plant names and symbols - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, 1977)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

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 - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

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, 1911)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

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. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

International catalogue of scientific literature. M, Botany - 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, 1903)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

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)