Holdings
1875,1-5; 1876,1-4; 1877,1-5; 1878,1-5; 1879,1-5; 1880,1-2 u.4-5; 1881,2 u.4; 1882,1-5; 1883,2-5; 1884,1-4; 1885,1-4; 1886,1-4; 1887,1-5; 1888,1-3; 1889,1u.3-4; 1890,2u.4; 1891,1-4; 1892,2-3; 1893,1-3; 1894,1-5; 1895,1-4; 1896,1-5; 1897,1-5; 1898,1-5; 1899,1-4; 1900,1-4; 1901,1-5; 1902,1-5; 1903,1-5; 1904,1-5; 1905,1-3; 1906,1-5; 1907,1-5; 1908,1-6; 1909,1-6; 1910,1-6; 1911,1-7; 1912,1-6; 1913,1-7; 1914,1-6; 1915,1-6; 1916,1-6; 1917,1-7; 1918,1-6; 1919,1-2u.4-6; 1920,1-6; 1921,1-8; 1922,1-6; 1923,1-5; 1924,1-4; 1925,1-5; 1926,1-5; 1927,1-5; 1928,1-5; 1929,1-5; 1930,1-6; 1931,1-5; 1932,1-6; 1933,1-5; 1934,1-5; 1935,1-4; 1936,1-5; 1937,1-4; 1938,1-4; 1939,1-4
