Index to supplements VIII-XII, Plant disease bulletin 1920 - United States. Plant Disease Survey. (Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1920)

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)

An index to the chemical action of microorganisms on the non-nitrogenous organic compounds - Breden, Calvin Rudolph, 1901 - (C. C. Thomas, 1930)

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)

India rubber world (Bill Brothers Publishing Corp, 1914)

The influence of heated soils on seed germination and soil [read plant] growth - Johnson, James, 1886 -1952 (1919)

Information & descriptions of pea & bean varieties - Washburn-Wilson Seed Co. ([Moscow Publ. Co.], 1938)

Information and descriptions of our pea and bean varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Washburn Wilson Seed Co, 1957)

Information and descriptions of our pea and bean varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Washburn-Wilson Seed Co, 1956)

Information and descriptions of pea and bean varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Washburn Wilson Seed Co, 1947)

Information book on vegetable seeds for your home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rudy-Patrick Seed Co, 1956)

Information book on vegetable seeds for your home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rudy-Patrick Seed Co, 1959)

Information book on vegetable seeds for your home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rudy-Patrick Seed Co, 1954)

Information book on vegetable seeds for your home garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rudy-Patrick Seed Co, 1957)

Information on U.S. biological control programs using natural enemies against insects, weeds and other pests - United States. Agricultural Research Service. (Agricultural Research Service, U.S. Dept. of Agriculture, 1984)

Insect and disease conditions in the United States, 1979-83 : what else is growing in our forests? - United States. State; Private Forestry. (The Service, 1985)

Insect pest survey. Special report - United States. Bureau of Entomology. (Bureau of Entomology, U.S.D.A)

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

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1941)

Insect pests of farm, garden and orchard - Sanderson, Dwight, 1878 -1944 (J. Wiley & sons, inc.; [etc., etc.], 1921)

Insect pests of farm, garden and orchard - Sanderson, Dwight, 1878 -1944 (J. Wiley, 1921)

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)