The National Council for Abolition of Nuclear Weapons Tests was founded on 29 November 1956. Mrs. Carswell may have been writing on behalf of one of the forerunners of the Council, the Hampstead Joint Committee for the Abolition of Nuclear Weapons.

BR tells Mrs. Carswell that he cannot attend the meeting at Hampstead Town Hall on 28 May. He is "not in favour of simply banning nuclear weapons". Emphasis needs to be placed on avoiding war. BR remembers her mother.

A photocopy of this letter was obtained earlier from the CND Archives (Rec. Acq. 1203). It is unclear how the letter could have found its way to a private seller who in turn sold it to McMaster. The carbon copy is in RA1 630.