Standard tests to characterize pest resistance in alfalfa cultivars (U.S. Dept. of Agriculture, Agricultural Research Service, 1984)

Status report on sensitive lady's slipper orchids (Cypripedium Calceolus var. parviflorum and Cypripedium passerinum) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Status report on sensitive lady's slipper orchids (Cypripedium calceolus var. parviflorum and Cypripedium passerinum) on the Kootenai National Forest - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1996)

Status review of Goodyera repens, U.S.D.A. Forest Service, Region 1, Lewis and Clark National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Storage rot of carrots incited by a Sclerotinia-Candida complex - Stelfox, David. (Dept. of Plant Science, University of Alberta, 1966)

Studies on fusarium diseases of potatoes and truck crops in Minnesota - Bisby, Guy Richard, 1889 -1958 (1919)

Studies on the microbiology of sterilized soil in relation to its infestation with plant pathogens - University of Alberta. Department of Field Crops. (1939)

Subtropical vegetable-gardening - Rolfs, P. H. (Peter Henry), 1865 -1944 (The Macmillan company, 1916)

Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada - Gardner, Frank D. (Frank Duane), 1864 -1963 (Smithsonian, 1916)

Successful farming a ready reference on all phases of agriculture for farmers of the United States and Canada : including soils, manures ... - Gardner, Frank D. (Frank Duane), 1864 -1963 (s.n, 1916)

The sugar-beet in America - Harris, Franklin Stewart, 1884 -1960 (The Macmillan Co, 1919)

The sugar-beet in America - Harris, Franklin Stewart, 1884 -1960 (Macmillan, 1919)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 1997)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 1999)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 2005)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 2000)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 2002)

Sugar beet research - United States. Agricultural Research Service. (U.S.D.A., Agricultural Research Service?], 1998)