Holdings
1.1919/20,1u.3-6; 2.1921,5-6; 3.1921/22,2u.4u.6; 4.1922,1; 6.1924,1; 7.1925/26,1-4; 8.1926/27,1u.4; 9.1927/28,1-2u.4; 10.1928/29,1u.3-4; 11.1929/30,1u.3-4; 12.1930/31,1-3/4; 13.1931/32,1-4; 14.1932/33,1-4; 15.1933/34,1-2u.4; 16.1934/35,1-4; 17.1935/36,1; 18.1936/37,1u.4; 19.1937/38,2u.4