WIA FC/1906/5/32 | Warburg, Aby to Warburg, Mary [30/06/1906?] | it is raining, but the air is good; reports on the fellow hayfever sufferers: Dr. [Siegmund... |
WIA FC/1906/5/34 | Warburg, Aby to Warburg, Mary 01/07/1906 | the weather is bad, but he played tennis; he is well, but Dr. [Siegmund] Meyer came down with a... |
WIA GC/1907/531 | Meyer, Siegmund and Meyer, Johanna to Warburg, Aby 25/07/1907 | greetings |
WIA GC/1922/19 | Bing, Gertrud to Warburg, Aby 26/07/1922 | detailed report of re-arrangements in the library, which sections were enlarged and reshelved etc... |