WIA GC/10142 | Warburg, Aby to Mönckeberg, Johann Georg [1899] | replies to his request re information on André Jolles; sends character reference, background... |
WIA GC/9513 | Ziebarth, Erich to Warburg, Aby 1919[?] | thanks him for the [Robert] Münzel volume; on the library in his institute; he enjoyed reading... |