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

Injurious and beneficial insects of California - California. State Commission of Horticulture. (California state printing office, 1915)

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

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1921)

Insects affecting vegetable crops in Puerto Rico - Jones, Thomas Henry, 1885 -1941 (U.S. Dept. of Agriculture, 1915)

Insects of Samoa and other Samoan terrestrial arthropoda - Canada. Department of Agriculture. Plant Quarantine Division. (1928)

Insects; the yearbook of agriculture,1952 - United States. Department of Agriculture. (U.S.G.P.O, 1952)

Die Insekten - Graber, Vitus, 1844 -1892 (R. Oldenbourg, 1877)

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

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

Die Insekten-Welt : Zeitschrift des Internationalen Entomologen-Vereins - Internationaler Entomologischer Verein. (1885)

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

Institutiones pharmacologiae sive Materiae medicae. : Communicat in usum tironum - Hildenbrand, Johann Valentin Von, 1763 -1818 (Apud I.G. Binz, 1802)

The Intellectual observer (Groombridge and Sons, 1862)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

The international bibliography of electron microscopy - New York Society of Electron Microscopists. (1959)

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, 1908)

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 - 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, 1911)

The International Commission of Jurists; basic facts - International Commission of Jurists (1952- ) (1962)

International review of the science and practice of agriculture - International Institute of Agriculture. Bureau of Agricultural Intelligence; Plant Diseases. (International Institute of Agriculture, Bureau of Agricultural Intelligence and Plant Diseases, 1916)

An interpretation of Rumphius's Herbarium amboinense - Robinson, Charles Budd, 1871 -1913 (Bureau of printing, 1917)

Introducción à la flora de Cataluña y catálogo razonado de las plantas observadas en esta región - Costa y Cuxart, Antonio Cipriano, 1817 -1886 (Impr. del Diario de Barcelona, 1864)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (Saunders, 1920)

An introduction to bacterial diseases of plants - Smith, Erwin F. (Erwin Frink), 1854 -1927 (W. B. Saunders company, 1920)

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

Introduction to botany, containing an explanation of the theory of that science, extracted from the works of Linnaeus - Lee, J. (Bell, 1811)

An introduction to cytology, by Lester W. Sharp ... - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill book company, inc, 1921)

An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill book company, inc, 1921)

An introduction to cytology - Sharp, Lester W. (Lester Whyland), 1887 - (McGraw-Hill, 1921)

Introduction to entomology. [Beetles. British butterflies. British moths, sphinxes, &c. Foreign butterflies. Bees. Exotic moths] - Duncan, James, 1804 -1861 (W.H. Lizars [etc.], 1843)

Introduction to immunochemical specificity - Boyd, William C. (William Clouser), 1903 -1983 (Interscience Publishers, 1962)

Introduction to structural and systematic botany, and vegetable physiology - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1857)

Introduction to structural and systematic botany and vegetable physiology : being a fifth and revised edition of The botanical text-book - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor & Co, 1876)

Introduction to structural and systematic botany and vegetable physiology : being a 5th and rev. ed. of The botanical textbook, illustrated with over thirteen hundred woodcuts - Gray, Asa, 1810 -1888 (Ivison, Phinney & Co, 1865)

An introduction to systematic and physiological botany - Nuttall, Thomas, 1786 -1859 (Hilliard amd Brown, 1827)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, 1917)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, 1917)

Introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green and co, 1913)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, and co, 1921)

An introduction to the chemistry of plant products - Haas, Paul, 1877 - (Longmans, Green, 1928)

An introduction to the natural system of botany : or, A systematic view of the organisation, 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 (Longman, Rees, Orme, Brown, and Green, 1830)

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 structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (Bell, 1920)

An introduction to the structure and reproduction of plants - Fritsch, Felix Eugene, 1879 -1954 (G. Bell and sons ltd, 1920)

An introduction to the study of botany, including a treatise on vegetable physiology, and descriptions of the most common plants in the middle and northern states - Comstock, J. L. (John Lee), 1789 -1858 (Pratt, Woodford, Farmer & Brace, 1856)

An introduction to the study of infection and immunity, including chapters on serum therapy, vaccine therapy, chemotherapy and serum diagnosis for students and practitioners - Simon, Charles E. (Charles Edmund), 1866 -1927 (Lea & Febiger, 1912)

An introduction to the study of infection and immunity, including chapters on serum therapy, vaccine therapy, chemotherapy and serum diagnosis for students and practitioners - Simon, Charles E. (Charles Edmund), 1866 -1927 (Lea & Febiger, 1913)

Introduction to the systematy of Indian trees - Church, A. H. (Arthur Harry), 1865 -1937 (Oxford University Press, 1921)

Introduction to the systematy of Indian trees - Church, A. H. (Arthur Harry), 1865 -1937 (H. Milford, Oxford university press, 1921)

An introduction to vegetable physiology - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1907)

An introduction to vegetable physiology - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (P. Blakiston, 1907)

An introduction to vegetable physiology - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1911)

An introduction to vegetable physiology - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (P. Blakiston's Son & Co, 1907)

An introduction to vegetable physiology - Green, J. Reynolds (Joseph Reynolds), 1848 -1914 (J. & A. Churchill, 1900)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1912)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1913)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1914)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1917)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1918)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1919)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1921)

Inventory of seeds and plants imported - United States. Bureau of Plant Industry. (G.P.O, 1922)