|Conditions of access
||Written application for access to the collection, accompanied by a letter of introduction, is required in advance in order to obtain permission of the Avon Trustees. Once approval has been granted, the collection is freely accessible to all registered readers.
Access to parts of this collection is restricted and some personal and financial material is not available for consultation during Lady Avon's lifetime. This material includes some papers in AP20 and AP22 and all material in AP31, AP35, AP36, AP37, AP39 and AP40. Some letters of the Royal family (AP30) and a few other papers have also been withdrawn from access at the request of the Cabinet Office.