London School of Economics - world's largest library devoted exclusively to the social sciences. Primarily set up to serve the needs of LSE staff and students, and other researchers.
Archives of government and historical records. Searchable database of some records and details about public services.
Art and design archives plus current and upcoming exhibitions and displays
Online database of bibliographical info covering publications relating to Scotland or held by libraries in Scotland.
Searchable database of framed works and photographic and topographical prints collections. In Welsh and English.
National archive of England, Wales and UK. Well-designed site, best source for historical research in the UK.Info on wide range of historical topics.
Large biomedical library houses both modern and historic texts.
Part of the National Museum of Science & Industry, this library has a large picture bank.