WIA FC/1886/3/6 | Warburg, Aby to Warburg, Charlotte 25/10/1886 | he would have replied earlier but he made a trip to Ahrtal [Ahr is a tributary of the Rhine... |
WIA FC/1887/8/1 | Warburg, Aby to Warburg, Charlotte 05/01/1887 | he has returned from Frankfurt on 03/01/1887; he has already met up with [Hans] Nippen and [Felix... |
WIA FC/1887/8/10 | Warburg, Aby to Warburg, Charlotte 23/02/1887 | promises to help Paul with writing a lecture; he enjoyed the carneval festivities in the... |
WIA FC/1887/8/18 | 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 FC/1888/13/1 | Warburg, Aby [list of his friends] [1888] | a list of names of Warburg's friends and spoof etymologies of names: H. Nippen: president of... |