WIA GC/1917/579 | Panconcelli-Calzia, Giulio to Blumenfeld, Anna 19/06/1917 | although he promised to teach her Italian in the Phonetisches Laboratorium, he regrets to inform... |
WIA GC/1917/580 | Warburg, Aby to Panconcelli-Calzia, Giulio 20/06/1917 | acknowledges receipt of Panconcelli-Calzia's copy to [Anna] Blumenfeld; counsels him that he... |
WIA GC/1920/164 | Neumann, Carl to Warburg, Aby 11/02/1920 | he visited Mrs. [Anna] Blumenfeld-Warburg to get news of Warburg; talks about illness and health... |
WIA GC/1922/198 | Hertz, Wilhelm to Warburg, Aby 04/08/1922 | he could not find any accommodation in Urach, so that he went further into the valley and found a... |
WIA GC/1923/307 | Melchior, Elsa to Warburg, Aby 31/05/1923 | she enjoyed the Rembrandt lecture in the Bibliothek Warburg; sends birthday greetings; Anna... |