With the exception of one file closed until 1 January 2067 under the terms of the Data Protection Act (1998), the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. The collection contains personal correspondence. The provisions of the Data Protection Act (1998) apply to access. Users of the collection are required to complete a Researcher Undertaking Concerning Access under the Data Protection Act 2018 and General Data Protection Regulation (GDPR) to Archives Which Would Otherwise Be Closed. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).