WIA GC/10908 | Warburg, Aby to Hagedorn, Anton Bernhard Carl 03/10/1908 | he has asked his brother to contact [Werner] von Melle to write letters of recommendation to the... |
WIA GC/1098 | Hagedorn, Anton Bernhard Carl to Warburg, Aby 05/02/1903 | informs Warburg in reply to his question that the books of the Hamburg Bank were not deposited in... |
WIA GC/11026 | Warburg, Aby to Stettiner, Richard 21/04/1909 | on his conversation with Dr. Anton Bernhard Carl Hagedorn who is very interested in a... |
WIA GC/11193 | Warburg, Aby to Hagedorn, Anton Bernhard Carl 15/01/1910 | thanks him for a copy of his lecture; requests permission to read the correspondence file re... |
WIA GC/11385 | Warburg, Aby to Hagedorn, Anton Bernhard Carl 02/06/1911 | forwards the new draft [of an invitation to subscribe to the publication project of the... |