Existencias: 1948 v. 1, no. 1-12; 1949 v. 2, no. 13-24; 1950 v. 3, no. 25-36; 1951 v. 4, no. 37-48; 1952 no. 49-60; 1953 no. 61-72; 1954 no. 73-84; 1955 no. 85-96; 1956 no. 97-108; 1957 no. 109-120; 1958 no. 121-132; 1959 no. 133-144; 1960 no. 145-156; 1961 no. 158-168; 1962 no. 169-180; 1963 no. 181-184, 186, 188-192; 1964 no. 193-204; 1965 no. 205-211, 213-216; 1966 no. 218-220, 222-227; 1967 no. 229-240; 1968 no. 241-243, 245-252; 1969 no. 253-264; 1970 no. 265-276; 1971 no. 277-288; 1972 no. 289-300; 1973 no. 301-312; 1974 [1976 no. 313-316; 1974 [1977 no. 317-324; 1975 [1977 no. 325-333; 1981 no. 397-400; 1983 [1984 no. 417-420; 1984 no. 421-428; 1984 [1985 no. 429-432; 1986 no. 449-452, 453-456. 1963 Index 1948-1962 Algunos nºs. tienen Suplementos Forestales con numeración independiente.