The European Library
http://www.theeuropeanlibrary.org/portal/index.html

The European Library searches the content of European national libraries. The European Library is a non-commercial organisation. It provides the services of a physical library and the opportunity to benefit from a virtual environment in 20 languages. This website allows to search through the resources of 30 of the 47 national libraries involved in The European Library. Resources can be both digital or bibliographical (books, posters, maps, sound recordings, videos, etc.). Currently The European Library gives access to 150 million entries across Europe. The amount of referenced digital collections is constantly increasing. Quality and reliability are guaranteed by the 47 collaborating national libraries of Europe. This has been added to Research Resources Subject Tracer™ Information Blog. This has been added to Reference Resources Subject Tracer™ Information Blog.