The database contains the text editions of the printed Aristoteles Latinus series and is continuously enriched by additional editions. This electronic edition is particularly valuable, partly because it is an integrated database containing all medieval translations of Aristotle's work. The subscription covers full text access to all content added until January 2015.

The Digital Library of the Catholic Reformation makes the documentary riches of this era accessible, adding functionalities that maximize the flexibility with which researchers can search, view, organize, and manipulate this historically important source material. With new content uploads occurring on a regular basis, the database offers a constantly growing treasury of documents, including papal and synodal decrees, catechisms and inquisitorial manuals, biblical commentaries, theological treatises and systems, liturgical writings, saints' lives, and devotional works.

The Digital Library of Classic Protestant Texts gives researchers access to an extensive range of seminal works from the Reformation and post-Reformation eras. With new content uploads occurring on a regular basis, the database offers a constantly growing treasury of theological writings, biblical commentaries, confessional documents, and polemical treatises written by more than 300 Protestant authors.

FRANCIS indexes multilingual information and provides in-depth coverage of humanities and social sciences.

The database OLC Ibero-America, Spain and Portugal is a regional related section from the Online Contents database that is constantly being completed with the addition of selected journals from the competent Libraries, the Library of the Ibero-American Institute Prussian Cultural Heritage (Ibero-America and the Caribbean) and the state and university library SUB Hamburg (Spain and Portugal). Currently more than 1.400 journals are being indexed. Gradually earlier editions of these journals will also be made accessible.

PubPsych is a free information retrieval system for psychological resources, aiming to enhance the visibility of European and international psychological literature. It offers a comprehensive and balanced selection of resources from a growing number of international databases with a European focus, covering the needs of academic and professional psychologists. PubPsych includes more than 850,000 datasets and offers, where available, full-text linking, links to additional information and link resolving. Databases included: * PSYNDEX * PASCAL * ISOC-Psicología * MEDLINE® * ERIC * NARCIS * NORART * PsychOpen * PsychData