WIA GC/11848 | Warburg, Aby to Ballin, Albert 10/07/1913 | thanks him for a letter; his services as artistic advisor to Hamburg-Amerika Linie would be... |
WIA GC/25505 | Warburg, Moritz and Paul to Warburg, Aby 03/12/1891 | Moritz sends him Mark 300; wonders whether Warburg should take up smoking very light cigarettes... |
WIA GC/25559 | Warburg, Charlotte to Warburg, Aby 03/12/1891 | tells him that Paul and Moritz Warburg have sent him a letter the same day; advises him to hand... |
WIA GC/25560 | Warburg, Charlotte and Jahns, Franziska to Warburg, Aby 10/12/1891 | Charlotte asks whether he has received a parcel with cleaning cloths, painting utensils, fruit... |
WIA GC/25565 | Warburg, Charlotte to Warburg, Aby 23/12/1891 | hastens to write him a letter as he has already complained that he has not heard more from Berlin... |