Series 1: Monthly reports, 1883-1990
Series 2: Conference reports, 1928-1985 (not complete)
Series 3: Rule books, 1961-2002
Series 4: Agreements and other papers, 1892-2003
Series 5: Branch records including Gillingate, Kendal, Kettering district, Kingswood district, Leicester district, London, Northampton and Rushden district, 1909-1978