ZAI supports the Department of Education Resources Information Center (ERIC), the world’s largest and most frequently used digital library of education resources. The library comprises more than 1.6 million bibliographic records and more than 450,000 full-text materials indexed from 1966 to the present. ZAI adds ~4,000 new records each month following ERIC metadata specifications and widely used scientific and technical information standards such as Dublin Core, Open Archives, Federal Scientific and Technical Information standards.