Libraries which hold in-depth collections of books, media, or other learning materials on specific subjects are known as research libraries.
 
 
Recommended Resources
Consortium of Research Libraries (CURL)
A British organization representing research libraries across the UK. Learn how CURL is supporting greater cooperation in research. You can also find a list of CURL's projects and services.
http://www.curl.ac.uk/
The Newberry Library is a noted American scholarly library, known for its excellent collections concerning the literature and civilization of Western Europe and the Americas. The Library also has a section dedicated to genealogy, for those interested in family history research. You can find details on how to plan your visit to the Newberry Library, which is located in Chicago, Illinois.
http://www.newberry.org/
The Smithsonian Institution Research Information System (SIRIS) is an educational service for those who work at and use the Smithsonian. One of the Institution’s most interesting services is the Cross-Searching Center which lets you search through over a million item descriptions of materials held at the Institution. You can also access Smithsonian libraries, archives, art databases, and more.
http://www.siris.si.edu/
The European Library is an international research website that connects you to libraries across Europe. You can search for books, digital collections, maps, journals, children's literature and many other items. You can also save your searches or catalogue entries you find of interest.
http://www.theeuropeanlibrary.org/