Bestand
21.1950,3,4; 22.1951,6; 24.1954,1; 27.1956,2,4; 28.1957,1-3; 29.1958,2; 31.1960,2; 32.1961,3-5; 33.1962,1,3; 34.1963,1-3; 35.1964,1,2; 36.1965,2-5; 37.1966,2; 39,1968,1; 40.1969,1,3; 41.1970,1,S; 42.1971,1-3; 43.1972,1,2; 44.1973,1,2; 45.1974,1,S; 46.1975,3; 47.1976,3,4; 48.1977,1,2; 49.1978,1-3; 50.1979; 51.1980,1