Agriculture and Forestry Ontology National Agricultural Library Thesaurus Source
http://www.yso.fi/onto/yso/p4726 http://lod.nal.usda.gov/nalt/43210 LOOM
http://www.yso.fi/onto/yso/p21697 http://lod.nal.usda.gov/nalt/6218 LOOM
http://www.yso.fi/onto/yso/p8258 http://lod.nal.usda.gov/nalt/9571 LOOM
http://www.yso.fi/onto/afo/p206 http://lod.nal.usda.gov/nalt/585 LOOM
http://www.yso.fi/onto/afo/p2038 http://lod.nal.usda.gov/nalt/12897 LOOM
http://www.yso.fi/onto/yso/p4708 http://lod.nal.usda.gov/nalt/41645 LOOM
http://www.yso.fi/onto/yso/p19344 http://lod.nal.usda.gov/nalt/4328 LOOM
http://www.yso.fi/onto/yso/p998 http://lod.nal.usda.gov/nalt/5343 LOOM
http://www.yso.fi/onto/afo/p5307 http://lod.nal.usda.gov/nalt/39551 LOOM
http://www.yso.fi/onto/yso/p14319 http://lod.nal.usda.gov/nalt/18064 LOOM