Partially open for consultation at the Lindley Library London. Some items are closed to public access for a period, as stated in the relevant catalogue record. Some items may only be accessed with staff assistance; staff are required to handle the item on behalf of readers, as stated in the relevant catalogue record. It is essential to check opening hours and make an appointment providing a minimum of 2 weeks' notice. Readers are asked to take care due to the fragile nature of the original material. Readers are required to wear protective gloves when consulting objects or photographic material.