WIA GC/10918 | Warburg, Aby to Kobert, Else 07/09/1908 | thanks her for her letter re Franz Hahn; he is pleased to read that Kurt [Hahn?] does not give... |
WIA GC/13258 | Hahn, Kurt to Warburg, Aby 01/07/1921 | thanks him for Warburg's congratulations; it is a great joy to him that the Warburg and the Hahn... |
WIA GC/13259 | Hahn, Kurt to Warburg, Aby 01/08/1921 | thanks him for a copy of the Luther book; he will visit him in Kreuzlingen once the inflammation... |
WIA GC/13809 | Hahn, Kurt to Warburg, Aby 03/05/1922 | apologizes for cancelling his visit as he was asked to go to the Reichskanzlei in Berlin; now... |
WIA GC/13810 | Hahn, Kurt to Warburg, Aby [22/07/1922?] | he will visit Warburg as soon as he has finished a piece of work and his health has improved |