The IBZ is produced in Germany and indexes more than 11,000 academic journals in 40 languages from around the world. It is particularly strong in European humanities and social sciences. The database currently (2012) contains more than 3 million records and adds more than 100,000 per year. More than 1000 open access journals were added in 2012. Some citations include abstracts. Subject headings and classification terms are listed in both German and English. (Updated regularly)
Primarily Europe and North America.