WIA GC/12877 | Warburg, Aby to Hildebrandt, Paul 27/04/1928 | he was in Berlin and intended to visit him but was not well enough; reports of Henseling's visit... |
WIA GC/12878 | Hildebrandt, Paul to Warburg, Aby 07/05/1928 | he has spoken with Henseling who did not have such a good view of Walter Tritsch as Warburg; is... |
WIA GC/12879 | Warburg, Aby to Hildebrandt, Paul 09/05/1928 | urges him to meet Dr. Walter Tritsch; Henseling's view of Tritsch is wrong |
WIA GC/12880 | Warburg, Aby to Hildebrandt, Paul 15/05/1928 | forwards an article by Dr. Walter Tritsch; Henseling informed Warburg, that Henseling wants to... |
WIA GC/20336 | Henseling, Robert to Warburg, Aby 11/05/1928 | update on the astrology exhibition project; thanks him for a letter of introduction to Dr... |