WIA GC/11028 | Warburg, Aby to Lucius-Ballhausen, Hellmuth von 23/04/1909 | informs him of the two letters of introduction he received from the Senate of Hamburg, signed by... |
WIA GC/11039 | Warburg, Aby to Lucius, Hellmuth von | thanks him for an explanation why Warburg had not received a reply to his letters to the German... |
WIA GC/2965 | Eckardt, Felix von to Warburg, Aby [1908] | sends greetings in the name of Hellmuth von Lucius-Ballhausen who is away on business |
WIA GC/2967 | Eckardt, Felix von to Warburg, Aby 24/09/1908 | wants to inform him on the report of the meeting between his brother and Herr von Lucius in Paris... |
WIA GC/3048 | Lucius-Ballhausen, Hellmuth von to Warburg, Aby 03/01/1908 | he is astonished at Warburg's knowledge; informs him of sales at auction and the prices; will... |