MathSciNet is a comprehensive database covering the world's mathematical literature since 1940. It provides Web access to reviews, abstracts and bibliographic information from Mathematical Review and Current Mathematical Publications. The database contains information on over 4 million articles and books, with direct links to over 2.7 million articles in over 1,800 journals.

The Max Planck Journal Index provides holdings of a great range of printed journals available within the Max Planck Society. Besides, it contains metadata of electronic journals as loaded from the EZB. The database is updated regularly from the ZDB (twice a year) and the EZB (monthly).

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.

Various dictionaries are available.

This Slavic Studies Bundle by Brill comprises 14 digitized collections with rare and often unique materials covering various aspects of Russian and Soviet history.

Project Gutenberg is a volunteer effort to digitize and archive cultural works. Founded in 1971 by Michael Hart, it is the oldest digital library. Project Gutenberg's mission is "To encourage the creation and distribution of eBooks".

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

Designed for the digital world and an expanding universe of metadata users, "RDA: Resource Description and Access" is the new, unified cataloging standard. The online RDA Toolkit is the most effective way to interact with the new standard.

RePEc is a collaborative effort of hundreds of volunteers in 73 countries to enhance the dissemination of research in economics. The heart of the project is a decentralized database of working papers, journal articles and software components. All RePEc material is freely available.

Swisslex beinhaltet die Urteilssammlungen der eidgenössischen Gerichte und der meisten letztinstanzlichen kantonalen Gerichte (teils zurückgehend bis in die 70er-Jahre) sowie des Bundesgerichts ab 1954. Das Archiv umfasst ca. 75 Fachzeitschriften, eine große Zahl an Gesetzeskommentaren (Reihen wie Zürcher, Berner Kommentar oder Stämpfli Handkommentar) und über 2.650 Werke der Fachliteratur. Rund 510.000 Dokumente sind im Volltext zugänglich. Ein 3-sprachiger Übersetzungsthesaurus ermöglicht eine sprachübergreifende Recherche, sodass Publikationen über eine Suche in nur einer Landessprache in ihrer Originalsprache auffindbar sind. Zudem umfasst Swisslex auch eine EU-Rechtsdatenbank. Swisslex includes the jurisdiction of the Swiss federal courts, of most of the cantonal courts (since the seventies) as well as of the Supreme Court (since 1954). It provides access to approx. 75 journals, numerous legal commentaries and more than 2.650 monographies. About 510.000 documents are accessible in fulltext. By means of a trilingual thesaurus, the user can find publications in its original language. Besides, Swisslex comprises a database with content to the EU.

Folgende Publikationen sind im Volltext verfügbar: - Die Systematische Sammlung des Bundesrechtes (SR) in drei Sprachen, - Die Bundesgerichtsentscheide seit 1954 und eine fast vollständige Sammlung der kantonalen Entscheide seit den 60er/70er Jahren, - Rund 35 juristische Zeitschriften und Periodika, weitere werden folgen, - Standardwerke (Zürcher Kommentar, einzelne Monographien) in den meisten Rechtsgebieten. Spezialliteratur in Form von Büchern wird in der Regel nicht aufgenommen.

Databases of terminology and dictionaries can be searched parallely under an unique surface. Big dictionaries (Pons), pocket dictionary (Langenscheidt), dictionaries of law (Becher, Dietl/Lorenz, Doucet/Feck, Potonnier) -- Wörterbücher und Terminologie-Datenbanken können parallel unter einer einheitlichen Oberfläche durchsucht werden. Großwörterbücher (Pons), Taschenwörterbuch (Langenscheidt), Rechtswörterbücher (Becher, Dietl/Lorenz, Doucet/Feck, Potonnier)

zbMATH Open (formerly known as Zentralblatt MATH) is the world's most complete and longest running abstracting and reviewing service in pure and applied mathematics. The MATH Database contains several million entries drawn from more than 3,500 serials and journals, and more than 1,100 book series and monographs. The entries are classified according to the Mathematics Subject Classification Scheme (MSC 2000).

The ZDB is the world’s largest specialized database for serial titles (journals, annuals, newspapers etc., incl. e-journals). The ZDB contains more than 1 million bibliographic records of serials from the 16th century onwards, from all countries, in all languages, held in 4000 German (and some foreign) libraries, with holdings information. It does not index individual journal articles.