National Agriculture Libary - The nation's primary source for agricultural information; provides information for researchers, educators, policy makers and the public.
National Agricultural Library. A national depository of scientific and popular agricultural information located at the Agricultural Research Service's research center in Beltsville, Maryland. NAL's administration was merged with ARS in 1994.
National Aerospace Laboratory of Japan.
NAL Agricultural Thesaurus http://agclass.nal.usda.gov/agt/agt.htm