The papers cover all Wolff's positions in the Conservative Party: his work in the Research Department, 1965-70; then as Special Adviser to the Government, 1970-74 (the files from this period are the most numerous, containing Government papers); then Director-General of the Party. Particular sequences in the papers include the reports of the Opinion Research Centre, a large number of subject files and files relating to the 1970 General Election, particularly speeches.