Clinical Reference

Open / direct link

Pathology Outlines

Pathology Outlines

Diagnostic pathology reference with organ-system topics and pathology images.

PathologyInternational

Open resource

Open Access Journals

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PeerJ

PeerJ

Open-access peer-reviewed research in life sciences, medicine, environmental science and computer science.

Science & HealthInternational

Open resource

Digital Archive

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Perseus Digital Library

Tufts University

Primary texts, translations and reference materials for classics, history and humanities.

Arts & HumanitiesInternational

Open resource

Reference

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Plants of the World Online

Royal Botanic Gardens Kew

Authoritative plant names, taxonomy, distribution and botanical reference information.

Plant & Crop ScienceInternational

Open resource

Journal Directory

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PLOS

Public Library of Science

Peer-reviewed research journals covering biology, medicine, public health and multidisciplinary science.

Biological & Health SciencesInternational

Open resource

Books & Textbooks

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Pressbooks Directory

Pressbooks

Search openly published textbooks, monographs and educational books created with Pressbooks.

GeneralInternational

Open resource

Research Database

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Project Euclid

Project Euclid

Research journals and monographs in mathematics and statistics.

Mathematics & StatisticsInternational

Open resource

Books & Textbooks

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Project Gutenberg

Project Gutenberg

A large digital library of classic literature and public-domain books for online reading and download.

Arts & HumanitiesInternational

Open resource

Research Database

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PubMed Central

U.S. National Library of Medicine

Full-text archive of biomedical and life-sciences journal literature.

Health & Life SciencesInternational

Open resource

Digital Archive

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Qatar Digital Library

Qatar Foundation and British Library

Digitised manuscripts, maps, historical records and Arabic/Islamic heritage collections.

Islamic & Middle Eastern StudiesInternational

Open resource

Reference

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Quranic Arabic Corpus

Quranic Arabic Corpus

Linguistic corpus with morphology, syntax and grammar resources for Quranic Arabic study.

Islamic StudiesInternational

Open resource

Clinical Reference

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Radiopaedia Articles

Radiopaedia

Searchable radiology articles covering imaging findings, anatomy, pathology and procedures.

RadiologyInternational

Open resource

Open Access Journals

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Redalyc

Redalyc

Open scholarly journal and article platform with strong coverage of social sciences, humanities, education and multidisciplinary research.

GeneralInternational

Open resource

Research Tools

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REN.ng Open Science Services

Research and Education Network Nigeria

Nigeria research and education network portal linking open-science repositories, publishing platforms and shared research services.

Nigeria Open ScienceNational

Open resource

Publication Portal

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ScienceOpen

ScienceOpen

Research discovery and open publishing platform covering articles, collections and scholarly literature across disciplines.

GeneralInternational

Open resource

Open Access Journals

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Scientific Research Publishing (SCIRP)

Scientific Research Publishing

Open-access academic journals and articles across science, medicine, engineering, business, education, humanities and social sciences. Users should apply normal scholarly source-evaluation standards when select

GeneralInternational

Open resource

Open Education

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SkillsCommons

California State University / U.S. Department of Labor

Open workforce and higher-education course materials, modules and learning resources.

GeneralInternational

Open resource

Research Repository

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SocArXiv

SocArXiv

Preprints and working papers in sociology and the social sciences.

SociologyInternational

Open resource

Open Access Journals

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SpringerOpen

Springer Nature

Open-access journals and publications across science, technology, medicine, humanities and social sciences.

GeneralInternational

Open resource

Research Repository

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SSRN

SSRN

Working papers and research across economics, law, management, accounting and social sciences.

Management & Social SciencesInternational

Open resource

Books & Textbooks

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Standard Ebooks

Standard Ebooks

Carefully produced digital editions of classic literature with professional typography and metadata.

Arts & HumanitiesInternational

Open resource

Reference

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Stanford Encyclopedia of Philosophy

Stanford University

Scholarly reference articles in philosophy, ethics, logic, religion and related humanities.

Arts & HumanitiesInternational

Open resource

Open Access Journals

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Taylor & Francis Open Journals

Taylor & Francis

Open-access journal collection across sciences, social sciences, humanities, education and health.

GeneralInternational

Open resource

Data & Statistics

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UN Data

United Nations

International statistics covering population, economy, education, environment, health and development.

Social SciencesInternational

Open resource

Digital Archive

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UNESCO Digital Library

UNESCO

Publications and documents on education, science, culture, communication and information.

EducationInternational

Open resource

Institutional Repository

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University of Ibadan Institutional Repository

University of Ibadan

Theses, articles, books, lectures, datasets and other scholarly materials from the University of Ibadan.

GeneralNational

Open resource

Institutional Repository

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University of Lagos Institutional Repository

University of Lagos

Academic publications, theses and research outputs from the University of Lagos.

GeneralNational

Open resource

Institutional Repository

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University of Nigeria Institutional Repository

University of Nigeria

Research papers, theses, dissertations and institutional scholarship from the University of Nigeria.

GeneralNational

Open resource

Research Tools

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Unpaywall

OurResearch

Open-access discovery service that helps locate legally available versions of scholarly articles.

GeneralInternational

Open resource

Research Resource

Open / direct link

USDA National Agricultural Library

USDA National Agricultural Library

Agricultural information, collections, databases and research guides.

AgricultureInternational

Open resource