WIA GC/1907/90 | 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/1916/578 | Robinow, Richard to Warburg, Aby 10/01/1916 | thanks him and his mother to contribute to the debt settlement for [Ludwig] Byns, amounting to... |