WIA GC/10915 | Warburg, Aby to Merck, Ernest 06/09/1908 | it is very difficult to make a forecast based on three drawings; he thinks the man [Franz Hahn... |
WIA GC/11328 | Warburg, Aby to Förster, Max Eduard 08/03/1911 | as promised he spoke to Ernest Merck a few days ago; he will discuss the matter further with Förster |
WIA GC/11346 | Warburg, Aby to Förster, Max Eduard 23/04/1911 | on March 8th he wrote him a note about his conversation with Ernest Merck; because a number of... |
WIA GC/1726 | Merck, Ernest William to Warburg, Aby 16/12/1905 | congratulates him on the attribution of a painting to Johann Georg Trautmann |
WIA GC/1727 | Merck, Ernest to Warburg, Aby 09/09/1905 | thanks him information supplied; invitation to tea |