Holdings
1941,2; 1943,12; 1945 - 1948,1-3.5; 1949,1-5.7-9.11-15; 1950,2-5; 1951,1-4; 1952,1-5.7-9; 1953,1-4; 1954,3-5; 1955,2-9; 1956,1.4-8; 1957,1.3-4; 1958,1-4; 1959,2-10; 1960,1-8; 1961,1-3.5-10.12-14; 1962,1-3.6.8; 1963,1-3; 1966,10; 1967,6.8; 1968,2; 1969,4-5; 1972,7; 1973,6; 1974,4.8; 1975,2.8; 1978,1.3; 1981,9; 1982,10; 1985,1; 1994,1