The Circle, Vol. 56, No. 1, Autumn 1976 The Circle, Vol. 56, No. 2, Winter 1976-77 The Circle, Vol. 55, No. 1, Autumn 1975 The Circle, Vol. 54, No. 3, Spring 1975 The Circle, Vol. 54, No. 1, Autumn 1974 The Circle, Vol. 53, No. 3, Spring 1974 The Circle, Vol. 53, No. 4, Summer 1974 The Circle, Vol. 53, No. 1, Autumn 1973 The Circle, Vol. 52, No. 3, Spring 1973 The Circle, Vol. 52, No. 4, Summer 1973 The Circle, Vol. 53, No. 2, Winter 1973-74 The Circle, Vol. 52, No. 1, Autumn 1972 The Circle, Vol. 51, No. 3, Spring 1972 The Circle, Vol. 51, No. 4, Summer 1972 The Circle, Vol. 52, No. 2, Winter 1972-73 The Circle, Vol. 50, No, 4, Summer 1971 The Circle, Vol. 51, No. 1, Autumn 1971 The Circle, Vol. 50, No. 3, Spring 1971 The Circle, Vol. 50, No. 1, Autumn 1970 The Circle, Vol. 49, No. 3, Spring 1970