This historic journal index enables the simultaneous search in millions of citations for articles published in the arts, humanities and social sciences, across more than 300 years. It enables researchers quickly and comprehensively to identify articles relevant to their field of study and reduces what could take years of research to a matter of minutes. Journals indexed span 37 key subject areas and multiple languages.

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.

Macmillan Online provides historians and political scientists with direct access to documents from the highest level of Government during the Macmillan Administration. With some 30,000 images of original documents, taken from CAB 128 and CAB 129 as well as selected files from PREM 11 and CAB 124, this project is as important a source for world history as it is for British politics. This collection is available on the platform Archives Direct which features content from Sources from The National Archives, UK

Documents and Rare Printed Materials from the Wiener Library, London. This digital resource offers the unique resources of the World’s oldest Holocaust museum. The collection offers fully searchable personal accounts of life in Nazi Germany, along with photographs, propaganda materials such as school text books, limited circulation publications and rare serials in a uniquely flexible format, enabling detailed research into the domestic policies of Nazi Germany, Jewish life in Germany from 1933 to after the war, propaganda, life in the concentration camps, in hiding, emigration and refugee life.

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.

North American Immigrant Letters, Diaries and Oral Histories includes thousands of authors and approximately 100,000 pages of information, thus providing a unique and personal view of what it meant to immigrate to America and Canada between 1800 and 1950. Composed of contemporaneous letters and diaries, oral histories, interviews, and other personal narratives, the series provides a rich source for scholars in a wide range of disciplines. In selected cases, users will be able to hear the actual audio voices of the immigrants.

Casalini libri's full text platform offers access to over 29,000 ebooks and 840 ejournals from more than 200 Italian, Spanish, French and Portuguese publishers. Max Planck users have access to: * EIO Monographs - a collection of 1,500 monographs and proceedings in humanities and social sciences from academic publishers in Italy. * EIO Periodicals Archive - pre-2011 content of 221 academic journals published by various Italian publishers.

This edition of Twentieth Century North American Drama contains more than 1000 plays by north american playwrights of the twentieth century, together with detailed, fielded information on related productions, theaters, production companies, and more. The database also includes selected playbills, production photographs and other ephemera related to the plays. An essential part of the plays are published here for the first time, including a number by major authors.

Analecta Hymnica Medii Aevi, edited by Guido Maria Dreves in collaboration with Clemens Flower and Henry M. Bannister, is an important collection of medieval Latin poetry (hymns, sequences, tropes, and psalteries). It was published from 1886 to 1926 in 55 volumes and is now available in an electronic version.

The Bibliography of the Hebrew Book covers the national bibliography of the Jewish people: a detailed description of all the literature printed in the Hebrew alphabet, across the world in all languages. The Hebrew bibliography includes most of the books printed in Hebrew, Ladino, Yiddish, Judeo-Arabic and other Judeo languages found in Israel and worldwide, printed since the establishment of the Hebrew print (around the year 1460) till 1960. The Bibliography of the Hebrew Book also includes a short biography for authors, translators, editors involved in the Hebrew literary creation. The database includes more than 115,000 books and more than 15,000 short biographies.

CAJ is the most comprehensive, full-text database of Chinese journals in the world, including more than 50 million full-text articles from about 10,000 academic journals in all disciplines. The MPG subscription comprises all subject editions (Series A-J) and covers access back to 1994.

Online version of the standard lexicon for sixteenth-century French by Edmond Huguet, which restores many obsolete words and connotations for modern readers. The dictionary lists about 100,000 keywords and has been published in 7 volumes between 1925 and 1967.

Online version of the classical Old French dictionary by Frédéric Godefroy, giving the grammatical category, variant forms, and range of meanings for each word listed. The dictionary includes about 160,000 entries and has been published in 10 volumes between 1881 and 1902.

Facsimile edition of the "Patrologia Graeca", edited by Jacques-Paul Migne from 1857 to 1866 in more than 160 volumes. The database comprises works of the Greek church literature beginning with Pseudo-Clemens (100 AD) up to Kallistos (1478) and thus makes available the important Greek Christian authors and the most influential works of theology, philosophy, history and literature of the late ancient world and the early Middle Ages. Texts are made easily accessible by an index of contents in Latin and Greek language, by an index of authors, a title index and an index of subject. All of these indexes are full text ones.

Teatro Español del Siglo de Oro contains approximately 850 works from the sixteenth and seventeenth century, by 16 major authors including Lope de Vega, Miguel de Cervantes, Calderón de la Barca and Tirso de Molina. The Golden Age (1500-1700) was the crowning glory of Spain’s intellectual and artistic achievements, from the paintings of Velázquez and Murillo to the literature of Cervantes and Calderón. Dramatic writing reached unequalled heights and Teatro Español del Siglo de Oro traces its development through this uniquely creative period and provides unprecedented access to a large and representative collection of texts.

The Digital National Security Archive of the U.S.A. is a comprehensive collection of essential primary documents concerning the U.S. foreign and military policy since 1945. The database, consisting of 33 partial collections, contains more than 80,000 of the most important declassified documents. Thereby, it is about political scripts such as directives of the President, notes, and diplomatic dispatches. It is also about meeting notes, autonomous reports, briefings, communications from the White House, e-mails, confidential letters, and other secret documents. For each partial collection there is included additionally an explanatory reference part containing an introduction, a chronology, a glossary, and a bibliography. This reference part helps one to bring the material also into contextual coherencies. -- Das Digital National Security Archive der U.S.A. ist eine umfangreiche Sammlung wesentlicher Primärdokumente zur US-Außen- und Militärpolitik seit 1945. Die aus 33 Teilsammlungen bestehende Datenbank enthält über 80.000 der wichtigsten freigegebenen Dokumente. Es handelt sich dabei sowohl um politische Schriften wie Direktiven des Präsidenten, Memos, diplomatische Depeschen als auch um Sitzungsnotizen, unabhängige Berichte, Briefings, Mitteilungen aus dem Weißen Haus, Emails, vertrauliche Briefe und andere geheime Dokumente. Zu jeder Teilsammlung ist zusätzlich ein erklärender Referenzteil mit Einführung, Chronologie, Glossar und Bibliographie enthalten, der hilft, das Material auch in kontextuelle Zusammenhänge bringen.

Zoological Record provides access to publications in animal biology and biodiversity. It covers 5,000 serials, plus many other sources of information, including books, reports, and meetings. It contains, in particular, a significant amount of literature on insects, reptiles, birds, fish and wildlife which is not included elsewhere (e.g. in BIOSIS Previews). It is also a leading taxonomic reference work.

The platform serves as interface to over 300 journals published by the Oxford University Press (OUP) in the humanities, social sciences, law, science, and medicine. Two-thirds of this journals are published in partnership with learned and professional societies around the world. The MPG subscription enables full text access to OUP's full journal collection. It also covers article-processing charges for Max Planck authors in hybrid and selected fully open access journals offering CC-BY licenses. Further details are available on the MPDL website.

The RSC publishing platform provides access to electronic journals and books from the Royal Society of Chemistry. From this page, you can reach over 1 million chemical science articles and chapters. Users from the MPG have access to the entire journal collection, including the RSC journals archive covering articles published back to 1841. In addition, a collection of about 900 ebooks was purchased within the scope of the German national licenses program. The Max Planck Society also covers article-processing charges in line with the RSC "Read & Publish" agreement. Further details are available on the MPDL website.