Library

ChemSpider is a free chemical structure database providing fast access to over 100 million structures, properties and associated information.

JSTOR is a digital library of academic journals, books, and primary sources.

EBSCO is the leading provider of research databases, e-journals, magazine subscriptions, ebooks and discovery service for academic libraries, public libraries, corporations, schools, government and medical institutions

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Discover impactful Journals, Books & Case Studies from Emerald Publishing on Emerald Insight.

Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.

La BNE es la institución bibliotecaria superior del Estado; su misión es recoger y conservar el Patrimonio Bibliográfico de España. Colecciones, servicios en línea, actividades, blog y redes sociales, acceso al catálogo bibliográfico y a fondos digitalizados a través de la Biblioteca y Hemeroteca Digital Hispánica

La Red de Bibliotecas Universitarias Españolas (REBIUN) es la comisión sectorial de Crue Universidades Españolas, en materia de cooperación bibliotecaria. Agrupa a las bibliotecas de 76 universidades españolas, tanto públicas (50) como privadas (26), así como al CSIC, y otra serie de bibliotecas de instituciones científicas y de investigación.

Sistema de Información Científica Redalyc. Red de Revistas Científicas. Acceso abierto sin fines de lucro propiedad de la academia.

Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

One of the largest and most authoritative collections of online journals, books, and research resources, covering life, health, social, and physical sciences.

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.

Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 591 billion archived web pages.