Geological bulletin.

no.1-3; no.2 1932; no.1-4 (1931-34); no.3-4; no.4-8; no.4 1934; no.1-5 1931-35; no.5-6; no.5 1935; no.6-8 1935; no.5-8 (1935-36); no.7 1936; no.8 1936; no.9 1936; no.9-10 1936-38; v.9-11 1936-38; no.11-14 1938-39; v.12-16 1938-39; no.15-16 1939; no.15 1939; no.17-18 (1940); no.18 1940; no.19-20 (1941); no.19 1941; no.20 1941; no.21-23 (1941-42); no.21-24 1941-1947; no.24-26 (1947-48); no.25; no.25 1948; no.26; no.26 1948; no.27 maps; no.27; no.27 1952; no.27 Text 1952; no.28 maps; no.28; no.28 1952; no.29 maps; no.29-30 (1954); no.29 1954; no.30; no.30 1954; no.31 maps; no.31-32; no.31 1957; no.32 1957; no.32-33 (1957-58); no.33; no.33 1958; no.34; no.34 1960; no.35 maps; no.35; no.35 (1961); no.36 maps; no.36; no.38-41; no.38 1961; no.36 1962; no.39 1963; no.40 1963; no.41 maps; no.41 1964; no.36-43 1962-1965; no.42; no.43