WIA GC/12416 | Warburg, Aby to Petersen, Carl Wilhelm 14/09/1917 | Warburg's last will; detailed instructions; executors to be his brothers Max Warburg or Fritz... |
WIA GC/33042 | Warburg, Mary to Warburg, Marietta 31/07/1918 | still no sun, only grey skies; hopes that the weather is better in Fallingbostel, wishes them a... |