The collection licensed by the DFG comprises 1000 e-Books. In addition, access to 3,400 free electronic books from all subject areas is provided.

On the basis of the English Short Title Catalogue, Eighteenth Century Collections Online enable access to more than 180,000 titles of books, pamphlets, essays and single sheet prints primarily published in Great Britain.

ingentaconnect hosts scholarly books and journals from a range of different publishers. Millions of articles, chapters and reports are available for you to search across, and access to full text is available by pay-per-view or by subscription to individual publications.

A collaborative effort of the Networked Digital Library of Theses and Dissertations (NDLTD), OCLC, VTLS, and Scirus, the NDLTD Union Catalog contains more than one million records of electronic theses and dissertations. For students and researchers, the Union Catalog makes individual collections of NDLTD member institutions and consortia appear as one seamless digital library of electronic theses and dissertations.

The World Bank eLibrary comprises all eBooks of the World Bank published by its researchers. The publications particularly deal with the socio-economic development in less developed countries and regions, and comprise research results in the fields of development policy, economic policy, foreign trade, health, education, development aid, and poverty. Additionally, access to two eJournals is enabled via the archive, as well as access to 7,400 working papers offered by the World Bank in open access mode.