Records of the Welsh Agricultural Organisation Society, 1902-1981, including records of Agricultural Organisation Society, 1902-1921; annual reports, 1922-1979; financial records, 1923-1971; and committee minutes, papers and correspondence, 1935-1978; affiliated societies register and financial statements, 1940-1976; records of affiliated societies: Calf Marketing Groups, 1963-1976; North Wales Certified Seed Potato Growers Ltd, 1933-1957; Pig Breeders Association (Wales) Ltd, 1971-1976; Quality Pig Federation of Wales, 1963-1976; Rabbit Clearance Societies, 1957-1964; South Wales Produce Ltd, 1953-1958; Store Lamb Marketing Group, Wales, 1973-1974; Suckled Calves Association, 1972-1975; Suckled Calves Marketing Societies, 1962-1975; Suckled Calves Society, 1964-1968; Welsh Black Cattle Society, 1934-1943; Welsh Cooperative Woodland Federation, 1945-1959; Welsh Farm Supplies Ltd, 1972-1981; Welsh Federal Farm Eggs Ltd, 1956-1981; Welsh Half-Bred Sheep Breeders Association, 1955-1970; Welsh Land Settlement Society Limited, 1937-1959; Welsh Livestock Limited, 1967-1974; Welsh Mountain Sheep Flock Society, 1930-1940; Welsh Seed Growers Federation, 1942-1969; and Welsh Woollen Manufacturers Association Limited, 1955-1962; correspondence and papers relating to agricultural bodies and government agencies, 1949-1975; government inquiries and WAOS submissions, 1942-1967; and papers relating to European cooperatives, farming and the EEC, 1964-1977.