Holdings
16.1920 - 19.1923; 20.1924,1-4; 40.1947,6-11; 41.1948,5-11; 42.1949,3u.6-10u.12; 43.1950 - 48.1955; 49.1956,10; 50.1957,6-12; 51.1958 - 53.1960; 58.1965,11; 70.1977,7-8; 71.1978,10-11; 72.1979,4-12; 73.1980-74.1981; 75.1982,1-6u.9-10; 76.1983,12; 77.1984,1-2u.6-12; 78.1985 - 81.1988; 83.1990 - 84.1991; 85.1992,5; 86.1993,10; 88.1995,3-12; 89.1996 - 93.2000