Holdings
1.1949/50 - 2.1950/51; 3.1951/52,1-7,9-12; 4.1952/53; 5.1953/54,1-12,14; 6.1955,2-10; 7.1956,2,3,5-12; 8.1957 - 13.1962; 14.1963,3-12; 15.1964; 16.1965,1-8; 17.1966 - 30.1979; 31.1980,1-10; 32.1981 - 36.1985; 37.1986,1-4; 38.1987,1,2,4; 39.1988 -