To locate material not held by UCL you can use the Library Hub Discover site, an online catalogue with records of the holdings the top research libraries in the country.
A number of academic and research libraries are within walking distance of the Main UCL campus:
Most University of London libraries will allow students to have reference access on production of a valid UCL identity card. Each institution has its own policies, however, so it is best to check the library's access regulations online before making a visit.
Find out more about using other libraries, and links to other library catalogues.