WIA GC/1908/323 | Lenel, Otto to Warburg, Aby 28/09/1908 | recommendation for [Richard] Thoma and [Helene] Thoma who are moving from Freiburg to Hamburg... |
WIA GC/1910/580 | Thoma, Richard to Warburg, Aby 01/01/1910 | New Year greetings; if only Warburg accepted a post in Tübingen like [Gustav] Wahl! |
WIA GC/1910/581 | Warburg, Aby to Thoma, Richard 05/01/1910 | New Year greetings; on [Gustav] Wahl moving to Tübingen; on the moves of establishing a... |
WIA GC/1913/137 | Boll, Franz and Ida; Thoma, Richard and Helene to Warburg, Aby 15/05/1913 | send greetings from a Whitsun trip to Michelstadt |
WIA GC/1922/195 | Hertz, Wilhelm to Warburg, Aby 19/03/1922 | informs him that Max Adolph [Warburg] has passed his A-levels brilliantly; Mary Warburg, Frede... |