Communist viewpoint.

v.1 1969; v.2 1970; v.3 1971; v.4 no.1 1972; v.4 no.2 1972; v.4 no.3 1972; v.4 no.4 1972; v.4 no.5 1972; v.4 no.6 1972; v.5 no.1 1973; v.5 no.2 1973; v.5 no.3 1973; v.5 no.4-5 1973; v.5 no.6 1973; v.6 no.1 1974; v.6 no.2 1974; v.6 no.3 1974; v.6 no.4 1974; v.6 no.5 1974; v.6 no.6 1974; v.7 no.1 1975; v.7 no.2 1975; v.7 no.3 1975; v.7 no.4 1975; v.7 no.5 1975; v.7 no.6 1975; v.8 no.1 1976; v.8 no.2 1976; v.8 no.3 1976; v.8 no.4 1976; v.8 no.5 1976; v.8 no.6 1976; v.9 no.1 1977; v.9 no.2 1977; v.9 no.3 1977; v.9 no.4 1977; v.9 no.5 1977; v.9 no.6 1977; v.10 no.1 1978; v.10 no.2 1978; v.10 no.3-4 1978; v.10 no.5 1978; v.10 no.6 1978; v.11 no.1 1979; v.11 no.2 1979; v.11 no.3 1979; v.11 no.4-5 1979; v.11 no.6 1979; v.12 no.1 1980; v.12 no.2 1980; v.12 no.3 1980; v.12 no.4-5 1980; v.12 no.6 1980; v.13 no.1 1981; v.13 no.2 1981; v.13 no.3 1981; v.13 no.4 1981; v.13 no.5-6 1981; v.14 no.1 1982; v.14 no.2 1982; v.14 no.3 1982; v.14 no.4 1982; v.15 no.1 1983; v.15 no.3 1983; v.15 no.4 1983; v.16 no.1 1984; v.16 no.2 1984; v.16 no.3 1984; v.16 no.4 1984; v.17 no.1 1985; v.17 no.2 1985; v.17 no.3 1985; v.17 no.4 1985; v.18 no.1 1986; v.18 no.2 1986; v.18 no.3 1986; v.18 no.4 1986; v.19 no.1 1987; v.19 no.2 1987; v.19 no.3 1987; v.19 no.4 1987; v.20 no.1 1988; v.20 no.2 1988; v.20 no.3 1988; v.20 no.4 1988; v.21 no.1 1989; v.21 no.2 1989