Volume 1.1 / 1972 Volume 1.2 / 1972 Volume 2.1 / 1973 Volume 2.2 / 1973 Volume 2.3 / 1973 Volume 3.1 / 1974 Volume 3.2 / 1974 Volume 3.3 / 1974 Volume 4.1 / 1975 Volume 4.2-3 / 1975 Volume 5.1 / 1976 Volume 5.2 / 1976 Volume 5.3 / 1976 Volume 6.1 /