Record of chemical progress.

v.1-4 1939-1943; v.1 no.2-4; v.2-5; v.5-8 1944-1947; v.1-9 (1939-1948); v.6; v.9-10 1948-1949; v.9-11 1948-50; v.9 no.1-3; v.10-17; v.11 1950; v.10-12 1949-1951; v.12-13 1951-52; v.10-14 (1949-1953); v.13-15 1952-1954; v.14-15 1953-1954; v.14-16 1953-55; v.15-17 (1954-1956); v.16-18 1955-1957; v.17-18 1956-57; v.18-21; v.18-19 1957-1958; v.18-20 (1957-1959); v.19-20 1958-59; v.19-20 1958-1959; v.21-22 1960-61; v.21-22 1960-1961; v.21-23 (1960-1962); v.22-24; v.23-24 1962-63; v.23-25 1962-1964; v.24-25 1963-1964; v.25-26 1964-65; v.24-27 (1963-1966); v.26-28 1965-1967; v.27-28 1966-67; v.29 1968; v.28-30 (1967-1969); v.29-30 1968-1969; v.30 1969; v.30-31 1969-1970; v.31 1970; v.31-32 1970-1971; v.32 1971; index v.1-15