U.S. Declassified Documents Online offers access to more than 750,000 pages of government documents, covering major policy issues from the period before the Second World War into the twenty first century. This archive of first secret, but now declassified documents, serves as a convenient source for materials from U.S. government departments including: Central Intelligence Agency (CIA), Federal Bureau of Investigation (FBI), Justice Department, National Security Agency, North Atlantic Treaty Organization (NATO), State Department, and White House. The materials include: Cabinet meeting minutes, CIA intelligence studies and reports, correspondence, diary entries, Joint Chiefs papers, National Security Council policy statements, political analyses, presidential conferences, and technical studies.

This collection of over 4,000 formerly classified U.S. government documents provides a comprehensive survey of the U.S. intelligence community’s activities in Europe, including Eastern Europe, Turkey and Cyprus, covering the time period from the end of World War II to the fall of the Iron Curtain and beyond.

The world's first database of newspapers and magazines of Ukraine (UDB-UKR) includes publications in Russian, Ukrainian, and English. They cover a broad range of political, economic, and cultural affairs of Ukraine. Topics include Ukraine's progress along the reform path, the view and positions of various political forces, changes in legislation, ethnic relations, and organizational trends in development of the armed forces. The database also includes news wire reports and other products of Ukrainian news agencies. An integral and unique part of this database is the Ukrainian Book Chamber's editions, which list everything published in Ukraine with detailed bibliographic description.

This collection contains 35.000 pages of English-speaking national literature from 116 books originally published between 1789 and 1834. Independently from authors' places of birth, their works have been selected for the collection according to their Wales-related content. The collection has been compiled by members of Cardiff University, Wales, from literature holdings of the Fürstliche Bibliothek Corvey. E-books contain digitally enhanced facsimile pages of historical book pages, and even bookmarks to relevant parts of works. Within e-book pages, i.e. within historical texts and layout, fulltext searches can be performed.

Based on the digitization of K. G. Saur's Biographical Archives, WBIS Online provides biographical information on over 6 Million people from the 8th century B.C. to the present as well as from all countries and regions worldwide. The subscription covers all biographical archives, except the German Biographical Archive, DBA.

This library enables legal scholars to research the constitutional and political development of every country in the world. It includes the current constitution for every country in its original language format and an English translation, as well as substantial constitutional histories for all countries. It also includes constitutional periodicals, thousands of classic books, other related works such as the World Factbook, links to scholarly articles and online resources, and bibliographic references.

Zenodo is an open data repository, developed and operated by CERN. It is an catch-all repository, that welcomes research from all over the world, and from every discipline. Zenodo does not impose any requirements on format, size, access restrictions or licence. A digital object identifier (DOI) is automatically assigned to all Zenodo files and it is integrated into reporting for research funded by the European Commission.

Zoological Record provides access to publications in animal biology and biodiversity. It covers 5,000 serials, plus many other sources of information, including books, reports, and meetings. It contains, in particular, a significant amount of literature on insects, reptiles, birds, fish and wildlife which is not included elsewhere (e.g. in BIOSIS Previews). It is also a leading taxonomic reference work.