WIA GC/1898/27 | Warburg, Aby to Hildebrand, Adolf 04/01/1898 | wishes to meet him to discuss his project in Hamburg |
WIA GC/1898/28 | Warburg, Aby to Stadtbaubüro Hamburg 22/01/1898 | introduces Adolf Hildebrand's project for a Kunsthalle on the Alster |
WIA GC/1898/29 | Warburg, Aby to Warburg, Moritz 15/02/1898 | approaches his father with Adolf Hildebrand's project for a second pavilion on the banks of the... |
WIA GC/1898/30 | Hildebrand, Adolf to Warburg, Aby 02/05/1898 | on the widening of the Jungfernstiege in Hamburg |
WIA GC/1898/31 | Hildebrand, Adolf von to Warburg, Aby 03/05/1898 | cf. Recnos. 78 and 81 |