-Donación de Latin American Library Enahncement Project (1993) -Existencias: 1945 v. 9, no. 3; 1946 v. 10, no, 2-+4; 1947 v. 11, no. 1-4; 1949 v. 13, no. 1-2; 1951 v. 15, no. 2-3; 1952 v. 16, no. 1-4; 1953 v. 17, no. 3-4; 1955 v. 19, no. 4; 1956 v. 20, no. 3-4; 1962 v. 26, no. 1-4; 1963 v. 27, no. 1-3; 1964-1969 v. 28-33, no. 1-4; 1971 v. 35, no. 1-4; 1972 v. 36, no. 1, 3-4; 1973 v. 37, no, 1-4; 1974 v. 38, no. 2-4; 1975-1977 v. 39-41, no. 1-4; 1978 v. 42, no. 1-2, 4; 1979-1980 v. 43-44, no. 1-4; 1981 v. 45, no. 2-4; 1982-1984 v. 46-48, no. 1-4; 1985 v. 49, no. 2-4; 1986-1987 v. 50-51, no. 1-4; 1988 v. 52, no. 1