ProQuest with Early European Books has embarked on a European-wide project which will trace the history of printing in Europe from its origins (circa 1450s) to 1700. The contents are drawn from major repositories including the Danish Royal Library, the National Central Library in Florence, the National Library of France, the National Library of the Netherlands, and the Wellcome Library in London.
The Directory of Open Access Journals was launched in 2003 at Lund University, Sweden, with 300 open access journals and today contains ca. 9000 open access journals covering all areas of science, technology, medicine, social science and humanities.
ChemSpider is a free chemical structure database providing fast access to over 30 million structures, properties and associated information. By integrating and linking compounds from more than 470 data sources, ChemSpider enables researchers to discover the most comprehensive view of freely available chemical data from a single online search. It is owned by the Royal Society of Chemistry.
