http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (19 pages) : illustrations, maps.
by Franklin A. Coffman and Harland Stevens.
Coffman, Franklin A. (Franklin Arthur), 1892-
Agriculture handbook (United States. Department of Agriculture) ; no. 180