Holdings
1.1913,2,5,6; 3.1915; 5.1917; 10.1922; 12.1924,1; 16.1929,4; 17.1930,2-3 - 19.1932; 20.1933,1-3,5-6; 21.1934 - 22.1935,3-4; 23.1936 - 24.1937,3; 25.1938 - 30.1943,1; 31.1943,1-3; 32.1950,1; 33.1951 - 35.1953,1-3; 36.1954 - 38.1956,1-2; 39.1957 - 51.1971,1-3; 52.1976 - 96.2020