Jahres...Berlin
Literatur des Jahres 1899 Berlin 1900, B.i
Astronomischer Jahresbericht...herausgegeben von A.Berberich. Die Literatur des

   "       "    "    1900   "    1901  " II
   "       "    "    1901   "    1902  " III
   "       "    "    1902   "    1903  " IY
   "       "    "    1903   "    1904  " Y
   "       "    "    1904   "    1905  " YI
   "       "    "    1905   "    1906  " YII 
   "       "    "    1906   "    1907  " YIII
   "       "    "    1907   "    1908  " IX
   "       "    "    1908   "    1909  " X
   "       "    "    1909   "    1910  " XI
   "       "    "    1910   "    1911  " XII
   "       "    "    1911   "    1912  " XIII
   "       "    "    1912   "    1913  " XIY
   "       "    "    1913   "    1914  " XY
   "       "    "    1914   "    1915  " XYI
   "       "    "    1915   "    1916  " XYII
   "       "    "    1916   "    1917  " XYIII
   "       "    "    1917   "    1918  " XIX
   "       "    "    1918   "    1920  " XX
   "       "    "    1919   "    1921  " XXI  
   "      "    "    1920   "    1922  " XXII
   "       "    "    1921   "    1923  " XXIII
   "       "    "    1922   "    1924  " XXIY
   "       "    "    1923   "    1925  " XXY
   "       "    "    1924   "    1926  " XXYI   
   "       "    "    1925   "    1926 Bd.XXYII
   "       "    "    1926   "    1927  " XXYIII
   "       "    "    1927   "    1928  " XXIX
   "       "    "    1928   "    1929  " XXX
                     
                     1963 (1965)  Bd.63