WIA GC/10719 | Warburg, Aby to Koetschau, Karl 22/10/1907 | he very much likes Koetschau's suggestion to appoint Professor Behrendt Pick in Hamburg once the... |
WIA GC/10733 | Warburg, Aby to Koetschau, Karl 10/11/1907 | on the project of the Schillerbund; Warburg was invited to join, but Adolf Bartels as the... |
WIA GC/10749 | Warburg, Aby to Pick, Behrendt 22/11/1907 | thanks him for letter and offprints; on the E.F. Weber coin collection; Weber, who was an uncle... |
WIA GC/1706 | Klussmann, Heinrich to Warburg, Aby 16/05/1905 | in agreement with Ferdinand Noack he supplies a date for Warburg's lecture, 05/10/1905; thanks... |
WIA GC/2693 | Koetschau, Karl to Warburg, Aby 19/10/1907 | on the valuable coin collection of deceased Konsul Eduard Friedrich Weber in Hamburg; it should... |