The Stephen Hawking Archive is generally available to the holder of a reader's ticket for the Manuscripts Reading Room at Cambridge University Library, West Road, Cambridge CB3 9DR. Access to some files is restricted in compliance with the Data Protection Act 2018. Access to some files is temporarily restricted pending conservation treatment. See individual file entries for details. Audiovisual and digital content requires further processing to make it accessible for consultation; this material does not currently appear in this catalogue. Access information, including opening hours and how to obtain a reader's ticket, appears as part of the Library's website (www.lib.cam.ac.uk).