http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Potato blight epidemics throughout the world
iv, 230 pages : illustrations, charts, maps ; 27 cm.
Includes bibliographical references (pages 207-219) and index.
Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1960
Agriculture handbook (United States. Department of Agriculture) ; no. 174