WIA GC/1910/297 | Hübner, Paul Gustav to Warburg, Aby 23/11/1910 | argues that the research on the sketchbooks of Francisco de Hollande in the Adolf Michaelis... |
WIA GC/1913/1090 | Steinmann, Ernst to Warburg, Aby 20/12/1913 | requests a favour from Warburg: Dr. [Paul Gustav] Hübner should not travel to Hamburg for the... |
WIA GC/1919/54 | Hübner, Friedel to Warburg, Mary 17/03/1919 | is very happy with her baby; a friend also had a baby; sends greetings to Warburg, hopes that his... |
WIA GC/1919/55 | Hübner, Friedel to Warburg, Mary [1919] | informs her that her husband was appointed in Berlin; her husband Paul has found a flat near... |
WIA GC/1919/56 | Hübner, Friedel to Warburg, Mary [1919] | wants a letter from Mary; she has no time to write, she is busy with her children and the... |