The British Library of Political and Economic Science is the main library of the London School of Economics and Political Science, United Kingdom.
The library is located on Portugal Street, London WC2. The current building is the former headquarters and warehouse facilities of WH Smith, opened in 1916 and taken over by LSE in 1976, to be reopened as a library in 1978.
Since its foundation in 1896, it has been the national social sciences library of the United Kingdom and its collections have been recognised for their outstanding national and international importance and awarded 'Designation' status by the Museums, Libraries and Archives Council (MLA). The Library responds to around 6,500 visits from students and staff each day. In addition, it provides a specialist international research collection, serving over 12,000 registered external users each year.
More information on the Wikipedia page