Research records and reports; state and county legislative records and documents; Prop. A-1992 text and Engineer's Report with assessment methodology; 1992 county ballot and voting results; polling results; details of Prop. A. contents, specific park projects and funding by county sub-region; original documents used to organize and track endorsement activities of hundreds of organizations throughout L.A. County; campaign finance materials; original campaign direct mail; print media press and editorials from throughout L.A. County; newsletters; correspondence; manual for creating similar measures.