The British Library of Political and Economic Science, commonly referred to as "LSE Library", is the main library of the London School of Economics and Political Science (LSE). It is one of the largest libraries in the world devoted to the economic and social sciences. The Library responds to around 5,000 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. It is housed in the Lionel Robbins Building.