http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
International guide to aids and appliances for blind and visually impaired persons
Previous edition, by L. L. Clark, published in 1973 under title: International catalog, aids and appliances for blind and visually impaired persons.
International catalog, aids and appliances for blind and visually impaired persons