Berl. ent. Zeit.
1850
1857
1858
1859
1860
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1870
1871
1872
1873
1874
1880
1881
1882
1884
1885
1886
1887
1888
1889
1890
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1910
1911
1912
1913
1914
1916
1917
1918
1920
1920
1921
1922