Conditions Governing Access: Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. 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).

Conditions Governing Access: From the Fonds: Some material in the Darwin archive is not available because it is unfit for production and access to some very fragile material may only be possible with support from specialist conservation staff. Please see descriptions for further details.