WIA FC/1915/10/4 | Warburg, Max Adolph and Warburg, Mary to Warburg, Aby 10/02/1915 | Max Adolph thanks him for the book 'Grandebouche und Lausikoff - Kriegsberichte' [by Karlchen... |
WIA GC 1934-50 E/1 | Ettlinger, Leopold to Warburg Institute 02/03/1938 | Apologises for sending wrongly addressed letter previously, and hence for apparent silence; seeks... |
WIA GC 1934-50 E/10 | Ettlinger, Leopold to Bing, Gertrud 04/06/1939 | Postpones plans to visit London; finds Barham depressing and the work difficult but enjoyable... |
WIA GC 1934-50 E/11 | Bing, Gertrud to Ettlinger, Leopold 10/06/1939 | Saxl and Bing away during Whitsun, so good that Ettlinger didn't come then; update on Frankel... |
WIA GC 1934-50 E/12 | Ettlinger, Leopold to Bing, Gertrud 16/07/1939 | Asks for details about upcoming conference |