WIA GC/1902/278 | Lippert, Eduard Amandus to Warburg, Aby 14/03/1902 | on the financial request by Heinrich Conradt; wishes to discuss with Warburg a decrease in support |
WIA GC/1902/78 | Conradt, Heinrich to Warburg, Aby 01/03/1902 | thanks him very much for the amount of money forwarded to him by Warburg, R. Davidsohn and Eduard... |
WIA GC/1902/88 | Lippert, Eduard Amandus to Warburg, Aby 12/06/1902 | counsels against advancing Heinrich Conradt more money as his brother [Ludwig Lippert] has given... |
WIA GC/1902/90 | Lippert, Eduard Amandus to Warburg, Aby 17/06/1902 | he returns the letter by Heinrich Conradt with the calculations, which Warburg has sent on to him... |
WIA GC/1902/96 | Conradt, Margarete to Warburg, Aby 20/06/1902 | she is writing to Warburg as her husband is shattered after having received Warburg's letter... |