Libraries and research

arXiv is a repository of research preprints in fields including physics, mathematics and computer science.

WorldCat is a library-catalog discovery service that connects bibliographic records with holdings at participating libraries.

Open Library is a book-discovery project that aims to create information pages for published books.

Explore European art, books, photographs and other cultural heritage from museums, libraries and archives.

Search an open catalogue of scholarly works and research connections.

Find research metadata and learn about DOI-based scholarly links.

Collect, organise and cite sources with a research reference manager.

Discover and share research publications, data, software and other outputs.

Open access academic book collections

Research datasets and data publication information

Open access research journals and publications

Research articles and open scholarly publishing

Research journals and scholarly publications

Academic journals, books and reference resources

Academic books, journals and research resources

Full-text biomedical and life science research archive

The British Library is the UK's national library.

The National Library of Scotland collects and preserves material connected with Scotland and wider subjects.

The National Library of Wales provides access to collections and information connected with Wales and wider research subjects.

UK Research and Innovation brings together UK research and innovation funding and related activities.

Jisc provides digital services and resources for UK education and research.

CORE aggregates information about open access research from repositories and other sources.

Project Gutenberg provides a collection of electronic books, with a strong focus on works that can be distributed under its stated U.S.

Internet Archive makes available collections of books, films, recordings and other material, including historical web resources.

HathiTrust is a partnership of research institutions and libraries supporting a large digital collection and research resources.

Google Scholar searches scholarly literature across a wide range of disciplines and sources.

PubMed is a literature search resource for biomedical and life sciences research.

Semantic Scholar is a scholarly literature search tool covering research from many disciplines.

JSTOR is a digital library of academic journals, books and other research collections.

DOAJ is the Directory of Open Access Journals.

ERIC is an education research information resource.

SSRN is a platform for sharing and discovering research papers and scholarly working material.

BASE is an academic-search service associated with Bielefeld University Library.