Includes material on a major research project, 'Revision of UK policy on nuclear weapons in a post-bipolar world', funded by the Joseph Rowntree Trust and conducted by Peierls, C.R. Hill, R.S. Pease and J. Rotblat. Includes Peierls's notes for a progress report on the project (n.d., perhaps 1994) and R.S. Pease's draft papers for Geneva workshop Dec 1994, annotated by Peierls.

An addendum containing further documentation of the project, received after Peierls's death, is at MS. 11619/29/C.45-51.