WIA GC/2496 | Byns, Ludwig to Warburg, Aby 03/12/1907 | sends apologies, but as father of nine children he finds it impossible to attend a meeting of... |
WIA GC/25180 | Warburg, Aby to Warburg, Charlotte 05/11/1886 | tells her of a tea party in Ruben's flat; Mr. [Ludwig] Byns from Andernach joined the five of... |
WIA GC/25216 | Warburg, Aby and Warburg, Moritz to Warburg, Charlotte 11/05/1887 | Warburg thanks his mother for a letter; he is well; he has 27 lecture hours per week including... |
WIA GC/25342 | Warburg, Aby [list of his friends] [1888] | a list of names of Warburg's friends and spoof etymologies of names: H. Nippen: president of... |
WIA GC/8655 | Robinow, Richard to Warburg, Aby 10/01/1916 | thanks him and his mother to contribute to the debt settlement for [Ludwig] Byns, amounting to... |