The collection Jewish Life in America, c1654-1954 covers different materials related to the history of Jewish communities in America from their first arrival in New York in 1654 to the integral part that they play today. The material is based on original manuscript collections from the unique holdings of the American Jewish Historical Society in New York. The collection includes six major organisational collections and twenty-four collections of personal papers. The personal collection contain letters, scrapbooks, autobiographies, notebooks and other materials relating to the late 17th through to the mid-20th century.

Nature Publishing Group (NPG) is a publisher of high impact scientific and medical information in print and online. NPG publishes journals, online databases, and services across the life, physical, chemical and applied sciences and clinical medicine. The MPG subscription also covers article-processing charges for Max Planck authors in Nature journals. Further details are available on the MPDL website.

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.

North American Women's Letters and Diaries is the largest collection of women's diaries and correspondence ever assembled. The database covers a period of 300 years. -- Die nordamerikanischen Frauenbriefe und Tagebücher sind die größte Sammlung von Tagebüchern und Briefkorrespondenzen, die je zusammengestellt wurden. Die Datenbank umfasst einen Zeitraum von 300 Jahren.

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

PLOS (Public Library of Science) is a nonprofit publisher and advocacy organization founded to accelerate progress in science and medicine by leading a transformation in research communication. PLOS entered the publishing arena in October 2003 with the launch of PLOS Biology, followed in October 2004 by PLOS Medicine. Today, it publishes a suite of influential Open Access journals across all areas of science and medicine. The Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

A digital archive of life sciences journal literature managed by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine (NLM).

SAGE Journals Online provides access to more than 1000 journals with a coverage spanning the humanities, social sciences, and science, technology, and medicine. Max Planck researchers have full text access to a multidisciplinary selection of the full journal collection. In addition, the agreement covers article-processing charges for Max Planck authors in Gold Open Access journals and in hybrid titles in the SAGE Premier package. Further details are available on the MPDL website.

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.

The international and interdisciplinary text collection about contemporary and classical theories of society and the social principle compiles writings by Max Weber, Karl Marx, Jürgen Habermas, Robert Merton, George Herbert Mead, Auguste Comte, Jean Baudrillard, Michel Foucault, Saul Howard Becker, Herbert Spencer, Antonio Gramsci, Alexis de Tocqueville, Harriet Martineau, Talcott Parsons, Émile Durkheim, Georg Simmel, Simone de Beauvoir, Pierre Bourdieu, Theodor W. Adorno, etc. Texts frequently appear in their original versions as well as in English translation.

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.

The World Bank eLibrary comprises all eBooks of the World Bank published by its researchers. The publications particularly deal with the socio-economic development in less developed countries and regions, and comprise research results in the fields of development policy, economic policy, foreign trade, health, education, development aid, and poverty. Additionally, access to two eJournals is enabled via the archive, as well as access to 7,400 working papers offered by the World Bank in open access mode.

The World Bank is the largest single source of development knowledge. The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products. Through the OKR, the World Bank collects, disseminates, and permanently preserves its intellectual output in digital form. The OKR also increases the range of people who can discover and access Bank content - from governments and civil society organizations (CSOs), to students and the general public. The OKR is built on DSpace and is interoperable with other repositories. It supports optimal discoverability and reusability of the content by complying with Dublin Core Metadata Initiative (DCMI) standards. All OKR metadata is exposed through the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) protocol. By extending and improving access to World Bank research, the World Bank aims to encourage innovation and allow anyone in the world to use Bank knowledge to help improve the lives of those living in poverty.