arXiv is an e-print service in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics. It provides access to more the 1.3 million e-prints. The Max Planck Society is a member institution of arXiv.

Clio-online is a central Internet gateway for historical scholarship in teaching and research. Sponsored by the Deutsche Forschungsgemeinschaft (DFG), the gateway enables efficient access to the diverse range of historical online ressources available to scholars and teachers within the field of history. Clio-online ist ein zentrales Internet Fachportal zur Geschichte. Seit Mai 2002 von der Deutschen Forschungsgemeinschaft gefördert, ermöglicht das Projekt durch seine Online-Dienste und Service-Angebote einen effizienten Zugang zu den umfangreichen Online-Ressourcen innerhalb der Geschichtswissenschaften.

The numerical database DETHERM provides thermophysical property data, which are indispensable for construction and design of chemical apparatus, plants and processes. DETHERM contains literature values, together with bibliographical information, descriptors and abstracts. The following properties for pure compounds and for mixtures are stored: 1) phase equilibrium data, 2) vapor pressures and critical data, 3) thermodynamic properties, 4) transport properties, 5) surface tensions, 6) electrolyte data.

A comprehensive online resource for the visual study of human culture and behavior and the largest, most affordable streaming video collection of its kind, Ethnographic Video Online contains more than 500 hours of classic and contemporary documentaries produced by leading video producers in the discipline; previously unpublished footage from working anthropologists and ethnographers in the field; and select feature films. Wherever possible, videos include accompanying field notes, liner notes, filmmaker biographies, related articles, study guides, and other context-enhancing, full-text materials. Publishing partners include Documentary Educational Resources (DER) and other leading video content providers in the discipline. Global in scope, Ethnographic Video Online contains footage from every continent and hundreds of unique cultures, and is particularly rich in its coverage of the developing world.

Europa Sacra contains information on all 1300 medieval bishoprics, archdioceses and patriarchates under obedience to Rome as well as prosopographical information on 18,507 bishops, archbishops and patriarchs. The database draws its initial information from the two personal storied works: * C. Eubel, Hierarchia catholica medii aevi... ab anno 1198 [1st and 2nd edns. Münster, 1898ff] * P.B. Gams, Series episcoporum ecclesiae catholicae (Regensburg 1873 - 1886)

The search engine provides users with the option to search various historically relevant databases and catalogues on general and European history in parallel.

LexiQamus is a reference work and online tool for identifying and analyzing illegible words from Ottoman-Turkish texts. It can even be used to search for the recognisable parts of a word. Based on over 170,000 words and phrases from 19 different dictionaries, LexiQamus comprises the entries of the reference work "A Turkish and English lexicon" (1890) by James Redhouse and all content from the website osmanlicasozlukler.com which collects entries from Ottoman dictionaries.

The Library of Latin Texts, originating from the Cetedoc Library of Christian Latin Texts (CLCLT), is the most comprehensive collection of Latin texts. The database contains texts from the beginnings of Latin literature (Livius Andronicus, 240 B.C.) until the 2nd Vatican Council (1962-1965). It covers the classical period as well as works by the Church Fathers, medieval Latin literature, or even works from the reformation and counter-reformation. Additionally, texts from Corpus Christianorum / Series Latina and Continuatio Mediaevalis as well as from a large number of editions of the Corpus Scriptorum Ecclesiasticorum Latinorum, from the Patrologia Latina, from the Sources Chrétiennes, from the Opera Sancti Bernardi, Biblia Sacra Vulgata and the pseudo epigraphical scripts of the Old Testament are available. The subscription covers full text access to all content added until January 2015.

Das Projekt "Propylaeum – Virtuelle Fachbibliothek Altertumswissenschaften" ist ein Internetportal, das Fachinformationen für den gesamten Bereich der Altertumswissenschaft anbietet, derzeit für die Fächer Ägyptologie, Alte Geschichte, Klassische Archäologie, Klassische Philologie und Vor- und Frühgeschichte. --

SpringerMaterials is based on the Landolt-Börnstein New Series, the unique, fully evaluated data collection in all areas of physical sciences and engineering. It is a systematic and comprehensive resource of selected and critically assessed data explained in their scientific context.

Ut per litteras apostolicas provides a complete collection of papal letters from the 13th and 14th centuries. The database represents an electronic version of the renowned * Registres et lettres des Papes du XIIIe siècle (32 vols.; Rome, 1883- ) * Registres et lettres des Papes du XIVe siècle (48 vols.; Rome, 1899- ) It is an invaluable source regarding various aspects of medieval history and society.

This library enables legal scholars to research the constitutional and political development of every country in the world. It includes the current constitution for every country in its original language format and an English translation, as well as substantial constitutional histories for all countries. It also includes constitutional periodicals, thousands of classic books, other related works such as the World Factbook, links to scholarly articles and online resources, and bibliographic references.

Zenodo is an open data repository, developed and operated by CERN. It is an catch-all repository, that welcomes research from all over the world, and from every discipline. Zenodo does not impose any requirements on format, size, access restrictions or licence. A digital object identifier (DOI) is automatically assigned to all Zenodo files and it is integrated into reporting for research funded by the European Commission.