The Science reports of the research institutes, Tôhoku University.

v.1-3 (1949-50); 1-5 1951-1955; v.1-5 1951-1955; v.1-5, pt. 1-50 (1951-1955); v.4-10 (1954-59); 6-10 1956-1959; v.6-10 1956-1959; v.10 1959; v.12 1960-1961; v.11-13 1959-1962; 11-14 1959-1963; v.11-14 (1959-63); v.14 1962-1963; v.11-15, pt. 101-150 (1959-1964); v.14-16 1962-1965; 15-17 1963-1966; v.15-17 (1963-66); v.16-18, pt. 151-182 (1964-1967); v.17-20 1965-1968; 18-20 1966-1968; v.18-20 (1966-69); v.19-20, pt. 183-208 (1967/68-1968/69); 20-21 1968-1970; v.20-23 1968-1971; 22-24 1970-1971; v.21-23 (1970-71); v.24 1971; v.21-25, pt. 209-247 (1969-1972); v.25 1972; v.24-27 (1971-73); 25-30 1972-1974; v.25-30 1972-1974; v.26-30, pt. 248-277 (1972-1974); v.28-29 (1973-74); v.23-27 (1971-1975); v.30-35 (1974-76); 31-36 1975-1977; v.31-38 1975-1978; v.31-37 (1975-1978); v.36-40 (1977-79); v.38-42 (1978-1980); 37-43 1978-1981; v.39-45 1979-1982; v.43-47 (1981-1983); v.41-48 (1980-84); 44-49 1981-1984; v.46-50 1983-85; v.54-55 (1983-1985); v.48-53 (1984-1987); v.49-56 (1984-88); v.51-57 1986-1989; v.54-57 (1987-1989); v.57 (1989); index v.1/50 (1951/85)