WIA GC/1905/177 | Friedrichs, Fritz to Warburg, Aby 07/07/1905 | declines to give a recommendation for Rudolf Guba but suggests a meeting of all those interested... |
WIA GC/1905/178 | Warburg, Aby to Friedrichs, Fritz 09/07/1905 | thanks him for his opinion of Mr. Guba, which did not surprise him; he will nevertheless try to... |
WIA GC/1905/207 | Warburg, Aby to Guba, Rudolf 09/07/1905 | after having received Mr. [Fritz] Friedrichs opinion, he cannot promise a study grant for the... |
WIA GC/1905/208 | Guba, Rudolf to Warburg, Aby 28/08/1905 | asks for an appointment; [Walter] Voltmer will have sent a reference to Warburg in the meantime |
WIA GC/1905/209 | Guba, Rudolf to Warburg, Aby 03/09/1905 | forwards the reference by Mr. [Walter] Voltmer; change of appointment |