Collection of 60 titles by German-speaking citizens who emigrated to the United States in the 19th century. In view of the failed revolution of the years 1848 / 1849, this collection of the so called 'forty-eighters' documents their influences on the development of the USA in the 19th century. The collection includes, for example, titles by / about * Carl Schurz * Karl Heinzen * Gustav Koerner * Friedrich Kapp * Heinrich Rattermann * Mathilde F. Anneke

The Islamic Studies Collection of the Arabic provider Al Manhal provides access to more than 2,000 ebooks mainly in Arabic on the topics of Islamic theology, Islamic law and Islamic history.

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.

The Patrologia Latina Database is an electronic version of the first edition of Jacques-Paul Migne's Patrologia Latina, published between 1844 and 1855, and the four volumes of indexes published between 1862 and 1865. Patrologia Latina comprises the works of the Church Fathers from Tertullian in 200 AD to the death of Pope Innocent III in 1216. The complete Patrologia Latina is included with all prefatory material, original texts, critical apparatus and indexes. Migne's column numbers, essential references for scholars, are included.

The international and interdisciplinary text collection about contemporary and classical theories of society and the social principle compiles writings by Max Weber, Karl Marx, Jürgen Habermas, Robert Merton, George Herbert Mead, Auguste Comte, Jean Baudrillard, Michel Foucault, Saul Howard Becker, Herbert Spencer, Antonio Gramsci, Alexis de Tocqueville, Harriet Martineau, Talcott Parsons, Émile Durkheim, Georg Simmel, Simone de Beauvoir, Pierre Bourdieu, Theodor W. Adorno, etc. Texts frequently appear in their original versions as well as in English translation.

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.