Index to supplements XIV-XVIII, Plant disease bulletin 1921 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1921)

Index to supplements XX-XXIV, Plant disease bulletin 1922 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1922)

Index to supplements XXVI-XXX, Plant disease bulletin 1923 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1923)

Index to the Plant disease reporter, supplements 130-132, 1941 - United States. Plant Disease Survey. (Plant DIsease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1942)

Index to the Plant disease reporter, supplements 134-138, 1942 - United States. Plant Disease Survey. (Plant DIsease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1945)

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)

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

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1891)

Insect, weed & plant disease survey bulletin - Illinois. Natural History Survey Division (Cooperative Extension Service, University of Illinois, 1960)

Insect, weed & plant disease survey bulletin - Illinois. Natural History Survey Division (Cooperative Extension Service, University of Illinois, 1968)

Insecticides, fungicides and weed-killers, a practical manual on the diseases of plants and their remedies, for the use of manufacturing chemists, agriculturists, arboriculturists and horticulturists - Bourcart, Emmanuel. (Scott, 1913)

Insecticides, fungicides and weedkillers: a practical manual on the diseases of plants and their remedies, for the use of manufacturing chemists, agriculturists, arboriculturists and horticulturists - Grant, Donald. (Scott, Greenwood & son, 1913)

Insects affecting vegetables - Ontario. Dept. of Agriculture. (Dept. of Agriculture, 1909)

Insects and diseases of trees in the South - United States. Forest Service. Southeastern Area. Forest Pest Management Group. (U.S. Forest Service, Southeastern Area, Forest Pest Management Group, 1972)

The Intellectual observer (Groombridge and Sons, 1863)

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)