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.
Senate House Library has strong collections in languages, the arts and social and historical sciences. Any registered member of UCL can join the library and borrow from there. You can pre-register online.
The British Library has strong collections for education, educators and teachers: The BL Learning site brings together the vast range of resources and content including CPD, events, resources and articles. The BL Online resources site contains links to unique collection items and content related to History, English, Religious Studies, Citizenship and a variety of other subjects. UCL staff and students can apply directly for reference access.
The Interlending & Document Supply service can be used to request items not held in any of the UCL Libraries. On the Interlending & Document Supply service webpage you can find more information on how to request materials.