Conditions Governing Access: From the Fonds: Subject to the terms of the donation, access to papers after 1969 requires the permission of Mr Henry S. Barlow (hsbar@hotmail.com). Additionally, access to some items is restricted under data protection legislation. These restrictions are marked on the catalogue. Most of the papers are in good condition. In a few cases, where indicated, papers are currently awaiting conservation and therefore not available to readers.