WIA FC/1902/9/53 | Warburg, Aby to Warburg, Mary 08/07/1902 | forwards one sheet from his diary; in the morning he left Ostend for Bruges; he visited the city... |
WIA FC/1905/7/103 | Warburg, Aby to Warburg, Mary 15/08/1905 | he carries on working in Bibliothèque Royale and might travel to Luttich, but only if [Maurice... |
WIA GC/1902/454 | Wilmotte, Maurice to Warburg, Aby 26/07/1902 | thanks him very much for his book [Bildniskunst] but does not know what Warburg alludes to when... |
WIA GC/1905/641 | Wilmotte, Maurice to Warburg, Aby 08/04/1905 | thanks him very much for his essay; on his work |
WIA GC/1905/642 | Wilmotte, Maurice to Warburg, Aby 05/05/1905 | supplies names of the best hotels in town |