Gohebiaeth a phapurau eraill,1944-1952, 1974,1982-1983, yn ymwneud â gweinyddiad y mudiad a'i ymgyrchoedd; copïau o adroddiadau, erthyglau a chylchlythyron, [1944x1952]; a phamffledi a thorion papur newydd, [1944x1952] = Correspondence and other papers, 1944-1952,1974, 1982-1983, relating to the administration of the movement and its campaigns; copies of reports, articles and circulars, [1944x1952]; and pamphlets and newspaper cuttings, [1944x1952].