ProQuest

ProQuest is an important partner for all types of content holders, preserving and enabling access to their rich and diverse information. These collaborations have resulted in an expanding content collection that now includes 90,000 authoritative sources, 6 billion digital pages, and spans six centuries. It houses the world's largest collection of dissertations and theses, as well as 20 million pages and three centuries of global, national, regional, and speciality newspapers; more than 450,000 ebooks; rich aggregated collections of the world's most important scholarly journals and periodicals; and unique vaults of digitised historical collections from great libraries and museums, as well as organisations as diverse as the Royal Archives, the Associated Press, and the National Association of Newspaper Editors.