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 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... |