Comprises: CRD/D/1/6/4/1 - Correspondence and associated papers concerning deceased colleagues, Apr 1967-Feb 1979; CRD/D/1/6/4/2 - Correspondence, Sep 1967-Mar 1974; CRD/D/1/6/4/3 - Correspondence (includes letters on the Beveridge Report and questionnaire on Clarke's career at CRD), 1968-1969; CRD/D/1/6/4/4 - Correspondence relating to policy, Apr…