Early American Imprints, Series I: Evans, 1639-1800 has been hailed as one of the most important collections ever produced on microform. The collection is based on the renowned American Bibliography by Charles Evans and enhanced by Roger Bristol's Supplement to Evans' American Bibliography. It serves as a foundation set for research involving early American history, literature, philosophy, religion, and more. Early American Imprints, Series I: Evans, 1639-1800 consists of more than 36,000 books, pamphlets, broadsides and other imprints. A common search interface for EAI I and EAI II is offered at: http://infoweb.newsbank.com/?db=EAIX.

Early American Imprints, Series II: Shaw/Shoemaker (1801-1819) is an essential complement to Early American Imprints, Series I: Evans (1639-1800) the definitive resource for researching 17th- and 18th-century America. The collection provides a comprehensive set of American books, pamphlets, broadsides and other imprints published in the early part of the 19th century. It is based on the noted -American Bibliography, 1801-1819- by Ralph R. Shaw and Richard H. Shoemaker and covers more than four million pages from over 36,000 items - including 1,000 catalogued new items unavailable in previous microform editions. A common search interface for EAI I and EAI II is offered at: http://infoweb.newsbank.com/?db=EAIX.

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.

The OSF Preprints search combines records from various preprint repositories, including arXiv, bioRxiv, Cogprints, PeerJ, PsyArXiv, RePEc and SocArXiv.

RiffReporter is a German news magazine based in Berlin and was founded in 2017. RiffReporter delivers in-depth and thoroughly researched journalistic content on topics such as environment, science, technology, society and global affairs. The cooperatively run journalism portal was awarded the renowned Grimme Online Award in 2018. The MPG subscription covers full text access to all content available on the RiffReporter platform.

SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code. SocArXiv is dedicated to opening up social science, to reach more people more effectively, to improve research, and build the future of scholarly communication.

SocINDEX is the world's most comprehensive and highest quality sociology research database. Subject headings from a 15,000 term sociology-specific thesaurus designed by expert lexicographers and extensive indexing for books, monographs, conference papers and other sources is included. Searchable cited references are also provided.

SOFIS contains descriptions of planned, on-going and completed (in the last 10 years) research projects from the Federal Republic of Germany, from Austria and Switzerland (more than 50,000 records in January 2014). SOFIS enthält ausführliche Beschreibungen von geplanten, laufenden und in den letzten zehn Jahren abgeschlossenen Forschungsarbeiten aus der Bundesrepublik Deutschland, aus Österreich und der Schweiz (Bestand Januar 2014: über 50.000 Projekte).

About 450,000 social science publications are presented together in SOLIS with a short description of the contents (January 2014). 15,000 new references are added annually. There are web links to full text entries for more than 25,000 references to new publications: included therein are articles in online journals, research reports - predominantly from institutional series -, as well as congress reports and dissertations. Rund 450.000 sozialwissenschaftliche Veröffentlichungen werden in SOLIS mit einer kurzen Inhaltsangabe vorgestellt (Stand Januar 2014). Jährlich kommen ungefähr 15.000 neue Nachweise hinzu. Bei rund 25.000 Nachweisen neuerer Veröffentlichungen sind Links zu Volltexten im Web enthalten: Es handelt sich dabei um Artikel in Online-Zeitschriften, um Forschungsberichte - überwiegend aus Institutsreihen - sowie einige Kongressberichte und Dissertationen.