Xue shi shi.

1970:2-3; 1970:6-7; 1970:4-5,8-13; no.8-9 1970; no.10-11 1970; no.12-13 1970; no.14-15 1970; no.15-18 1970; no.16-17 1970; no.18-19 1970; no.19-26 1970; no.27-34 1970; no.35-42 1970; 1971:1; 1971:2; 1971:3; 1971:4; 1971:5; 1971:6; 1971:7; 1971:8; 1971:9; 1971:10; 1971:11; 1971:12; 1971:13-14; 1971:15-20,22-23,25; no.1 1971; no.2 1971; no.3 1971; no.4 1971; no.5 1971; no.6 1971; no.7 1971; no.8 1971; no.9 1971; 1971 no.10; no.11 1971; no.12 1971; no.13-14 1971; no.15 1971; no.17 1971; no.18 1971; no.19 1971; no.20 1971; no.21 1971; no.22 1971; no.25 1971; v.15 1971; v.26 1971; 1972:1-14,18-26; no.1 1972; no.2 1972; no.3 1972; no.4 1972; no.5 1972; no.6 1972; no.7 1972; no.8 1972; no.9 1972; no.10 1972; no.11 1972; no.12 1972; no.13 1972; no.14 1972; no.15 1972; no.16 1972; no.17 1972; no.18 1972; no.19 1972; no.20 1972; no.21 1972; no.22 1972; no.23 1972; no.24 1972; no.25-26 1972; 1973:2,4-9,14-26; 1973:3; no.1 1973; no.2 1973; no.3 1973; no.4 1973; no.5 1973; no.6 1973; no.7 1973; no.8 1973; no.9 1973; no.10 1973; no.11 1973; no.12 1973; no.13 1973; no.14 1973 Jul; no.15 1973 Jul; no.16 1973 Aug; no.17 1973 Aug; no.18 1973 Aug-Sep; no.19 1973 Sep; no.20 1973 Sep-Oct; no.21 1973 Oct; no.22 1973 Oct-Nov; v.25 1973; 1974:1-26; no.1 1974; no.2 1974 Jan; no.3 1974; no.4 1974; no.5 1974; no.6 1974 Mar; no.7 1974 Mar-Apr; no.8 1974 Apr; no.9 1974 Apr-May; no.10 1974; no.11 1974; no.13 1974; no.14 1974; no.15 1974; no.16 1974; no.17 1974; no.18 1974; no.19 1974; no.20 1974; no.21 1974; no.22 1974; no.23 1974; no.24 1974; no.25 1974; no.26 1974; v.23-24 1974; 1975:1-16; no.1 1975; no.2 1975; no.3 1975; no.4 1975; no.5 1975; no.6 1975; no.7 1975; no.15 1975; no.16 1975; no.17 1975; no.18 1975; no.19 1975; no.20 1975; no.21 1975; no.22 1975; no.23 1975; no.24 1975; no.25 1975; no.26 1975; no.7 1975 v.8; no.7 1975 v.9; no.9 1975 v.10; no.7 1975 v.11; v.12 1975; v.13 1975; v.14 1975; no.1 1976; no.2 1976; no.3 1976; no.4 1976; no.5 1976; no.6 1976; no.7 1976; no.8 1976; no.9 1976; no.10 1976; no.11 1976; no.12 1976; no.13 19