Bestand
1941,2.3; 1949, 1-3; 1950, 1-3; 1951, 1-3; 1952, 1-3; 1953, 1-3; 1954, 1-3; 1955, 1-3; 1956, 1-3; 1957, 1-3; 1958, 1-3; 1959, 1-3; 1960, 1-3; 1961, 1-3; 1962, 1-3; 1963, 1-3; 1964, 1-3; 1965, 1-3; 1966, 1-3; 1967, 1-3; 1968, 1-3; 1969, 1-3; 1970, 1-3; 1971, 1-3; 1972, 1-3,; 1973, 1-3,