WIA GC/1906/454 | Maeterlinck, Louis to Warburg, Aby 31/12/1906 | he could not locate the work Warburg requested |
WIA GC/1907/500 | Maeterlinck, Louis to Warburg, Aby 05/01/1907 | thanks him for his essay on Flemish tapestries; unfortunately it came too late to be mentioned in... |
WIA GC/1907/501 | Maeterlinck, Louis to Warburg, Aby 19/06/1907 | he cannot attend the congress in Darmstadt |
WIA GC/1907/715 | Warburg, Aby to Strzygowski, Josef 09/06/1907 | informs him that he sent out the programme for the congress to: Sidney Colvin, C. Dodgson in... |