http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Directory of zoological parks and aquariums
AZA directory of zoological parks and aquariums
Zoological parks and aquariums in the Americas
American Zoo and Aquarium Association, Oglebay Park, Wheeling, WV 26003-1698