Original papers together with Aitkin's notes concerning activities of the Country Party of New South Wales, particularly in New England region. The papers include minutes of Progressive, Country and United Country Parties, New South Wales, 1919-1938; United Country Movement, minutes, 1931-1938; Political Committee and Free Selector's Association minutes, 1915-1916; General Secretary Central Executive Council reports, 1929-1930; Australian Country Party Association minutes, 1926-1943, 1945-1960; Annual Conference papers, 1927-1962; Central Council and Central Executive minutes, 1928-1968; lists of office bearers, 1920-1962; Federal and State Electorate Councils minutes and financial statements, 1927-1962; and minutes, financial statements, and correspondence mostly about activities of Gunnedah Branch. Other papers include election material; broadcasts; press releases; papers relating to the New England New State Movement; Country Party of Australia (Federal) surveys, 1971-1972; Federal Council minutes, 1954; and Australian Farmers' Federal Organisation minutes, 1926-1930.