Annual reports of the AIU (in German language)
Jahresberichte des AIU in den "Mitteilungen der Astronomischen Gesellschaft"
| 1890 | 1891 | 1892 | 1893 | 1894 | 1895 | 1896 | 1897 | 1898 | 1899 |
| 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 |
| 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 |
| 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 |
| 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 |
| 1940 | 1941 | 1943 | 1945-1947 | 1948/49 | |||||
| 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 |
| 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | |||
| 1989 | |||||||||
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 |
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
| 2010 | 2011 | 2012 | 2013* | 2014* | 2015* | 2016* | 2017* | 2018* | 2019* |
| 2020* | 2021* | 2022* | 2023* | ||||||
* Noch nicht erschienen / Still to be published