WIA FC/1913/2/6 | Hertz, Wilhelm to Warburg, Aby 09/10/1913 | the meeting on the previous day has been postponed, as predicted; [Max] Predöhl spoke well... |
WIA FC/1914/10/7 | Warburg, Max to Warburg, Aby 31/01/1914 | forwards a letter by [Max?] Predöhl; appointment; his travel plans for the next week - Copenhagen... |
WIA FC/1914/2/5 | Warburg, Aby to Warburg, Mary 01/02/1914 | Herckenroth, of Colonial Institute, is said to have been given notice from Berlin; the dinner at... |
WIA GC/1909/461 | Warburg, Aby to Predöhl, Max 05/11/1909 | Warburg is interested in the library of the late Gustav Amsinck; asks him as executor whether... |
WIA GC/1909/462 | Predöhl, Max to Warburg, Aby 06/11/1909 | expects Warburg's visit [re late Gustav Amsinck] |