Brief an College [Leopold Kronecker]
Bonn, 30.10.1883 [den 30ten October 1883]Brief an College [Leopold Kronecker]
Bonn, 07.08.1869 [den 7ten Aug. [18]69]Brief an College [Leopold Kronecker]
Bonn, 17.01.1881 [den 17ten Januar 1881]Brief an College [Leopold Kronecker]
Bonn, 04.1883 [April 1883]Brief an College [Leopold Kronecker]
Bonn, 19.07.1883 [den 19ten Juli 1883]Brief an College [Leopold Kronecker]
Bonn, 08.1883 [August 1883]Brief an College [Leopold Kronecker]
Bonn, 29.05.1884 [den 29ten Mai 1884]Brief an College [Leopold Kronecker]
Bonn, 09.06.1884 [den 9ten Juni 1884]Brief an College [Leopold Kronecker]
Bonn, 14.10.1884 [den 14ten October [18]84]Brief an College [Leopold Kronecker]
Bonn, 25.10.1884 [den 25ten October 1884]Brief an College [Leopold Kronecker]
Bonn, 22.10.1884 [den 22ten October 1884]Brief an College [Leopold Kronecker]
Bonn, 06.05.1885 [den 6ten Mai 1885]Brief an College [Leopold Kronecker]
Bonn, 27.02.1880 [den 27ten Februar [o.J.; ca. 1880]]Brief an College [Leopold Kronecker]
In: Brief an College [Leopold Kronecker]Bonn, 11.05.1885 [d 11ten Mai 1885]Brief an College [Leopold Kronecker]
In: Brief an College [Rudolf Lipschitz]Bonn, 25.10.1884 [25 October [18]84]Brief an Freund [Leopold Kronecker]
Bonn, 29.05.1868 [den 29ten Mai 1868]Brief an Freund [Leopold Kronecker]
Bonn, 11.06.1868 [den 11ten Juni 1868]Brief an Freund [Leopold Kronecker]
Bonn, 04.07.1868 [den 4ten Juli 1868]Brief an Freund [Leopold Kronecker]
Bonn, 07.08.1868 [den 7ten August [18]68]Brief an Freund [Leopold Kronecker]
Bonn, 29.09.1869 [d 29ten Septbr 1869]