Geographical bulletin.

no.1 1951; no.2 1952; 1951-1953; no.1-4 (1951-53); no.1-4 1951-1953; v.1-6; v.1 no.1-4 1951-53; no.3 1953; no.4 1953; no.5 1954; v.2 no.5-8 1952-56; no.5-8 (1954-56); no.5-8 1954-1956; 1954-1958 no.5-11; no.9-12 (1956-58); no.9-12 1956-1958; v.3 no.9-12 1956-58; no.13-16 (1959-61); no.13-16 1959-1961; v.4 no.13-16 1959-61; 1958-1962 no.12-17; no.17-19 (1962-63); no.17-19 1962-1963; v.5 no.17-20 1962-63; 1962-1964 no.18-21; no.20-22 (1963-64); no.20-22 1963-1964; v.7; v.7 (1965); v.7 no.1-4 1965; 1965-1966 no.7-8; v.7-8 1965-1966; v.8; v.8 (1966); v.8 no.1-4 1966; v.9; v.9 1967; v.9 no.1-4 1967; v.9:no.4 1967; v.9 (1967-68); no.11-14; no.15-18