WIA GC/1900/76 | Schreiber, S. von to [Riehl, Berthold] 31/10/1900 | on the instruction of the local committee for the International Congress of the History of Art... |
WIA GC/1907/401 | Kautzsch, Rudolf to Warburg, Aby 24/08/1907 | he provided [Max] Lehrs with a detailed list of collaborators; he wrote to some of his colleagues... |