Material on the 1984 European Elections can be found in the Leadership Correspondence and Delegation Meetings series, above. For papers relating to the post-election inquiry (the Normanton Review), see files at shelfmarks CCO 508/3/3-4.
Further materials on Conservative Party European Election campaigns can be found in the following catalogues:
Conservative Party Archive: Conservative Central Office - Party Chairman's Office [CPA CCO 20];
Conservative Party Archive: Conservative Research Department (1974-1989) [CPA CRD 4];
Conservative Party Archive: Conservative Research Department (1990-present) [CPA CRD 5].