The Value line investment survey.

v.4(1949); v.7:pp.46(1952)-v.11:pp.280(1956), v.11:pp.481(1956)-v.16:pp.1397(1961); v.17:pp.200(1962)-v.20:pp.1354(1965), v.19:41(1964)-v.19:44(1964), v.19:46(1964), v.19:50(1964); v.19:52(1964), v.21:40(1966)-v.21:52(1966), v.22:ed.7(1968)-v.23:ed.10(1968), v.23:ed.12(1968)-v.24:ed.13(1969), v.25:ed.4(1971) v.25:ed.12(1971), v.26:40(1971)-v.26:52(1971), v.28:1(1972)-v.28:32(1973), v.28:39(1972)-v.28:41(1973), v.28:ed.1(1973)-v.28:ed.13(1973), v.29:40(1974)-v.29:45(1974), v.29:47(1974)-v.29:52(1974), v.30:40(1975)-v.30:pt.2:52(1975), v.31:40(1976)-v.31:52(1976), v.32:40(1977)-v.32:52(1977), v.33:40(1978)-v.33:52(1978), v.34:40(1979)-v.34:51(1979)