http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sheep shelters and equipment for southern states
1 online resource (16 pages) : illustrations, plans.
compiled by the Agricultural Research Service and the Federal Extension Service, U.S. Dept. of Agriculture, in cooperation with the agricultural engineering departments and the cooperative extension services in agriculture and home economics ... colleges and universities ... in the southern region.
Agriculture handbook (United States. Department of Agriculture) ; no. 90