Bowker's Books in Print is a bibliographic database on the ProQuest platform featuring millions of in-print, out-of-print, and forthcoming books, audio books, and videos from more than 40 countries, including the U.S., U.K., Canada, Australia, New Zealand, as well as Spanish-language titles from Spain and Central and South America. Book descriptions available are extended by annotations, tables of contents, and publisher information.

ProQuest Dissertations and Theses Global is the world's most comprehensive collection of dissertations and theses, covering materials back to the first U.S. dissertation, accepted in 1861, as well as to European dissertations from the 17th century. The database is the official dissertations repository for the Library of Congress, with 5.5 million bibliographic citations, 3 million full texts, 4,100 contributing institutions worldwide and 250,000 works added annually. Full-text coverage spans from 1743 to the present, with citation coverage dating back to 1637.

ProQuest, the company, serves the information needs of millions of researchers in libraries and institutions around the world. ProQuest, the product, is a search application providing access to a broad selection of bibliographic and fulltext databases, to the world’s largest collection of dissertations and theses as well as to three centuries of global, national, regional and specialty newspapers.

wiso is an online database specially tailored to the needs of users from academic and research institutions by GBI-Genios. It aggregates mainly German content from various publishers, covering economics, social sciences, psychology and technology. wiso provides access to major reference databases, to full texts of selected journals, e-books, magazines and newspapers like VDI Nachrichten or Handelsblatt as well as to company information and market data.