WIA GC/1008 | Orbaan, Johannes Albertus Franciscus to Warburg, Aby 20/02/1911 | forwards his new address |
WIA GC/1009 | Orbaan, Johannes Albertus Franciscus to Warburg, Aby 13/09/1911 | requests publications of the art historical congresses to be sent to the Propaganda Fide via P. H... |
WIA GC/11327 | Warburg, Aby to Haseloff, Arthur 08/03/1911 | informs him of his arrival date in Rome; he wants to meet Venturi, Hermanin, [Johannes Albertus... |
WIA GC/1152 | Orbaan, Johannes Albertus Franciscus to Warburg, Aby 24/05/1903 | asks him a number of questions, whether he is going to publish something on arazzi; he is going... |
WIA GC/11660 | Warburg, Aby to Hermanin de Reichenfeld, Federico 28/10/1912 | Warburg is glad that Hermanin agrees with Warburg on O. [Johannes Albertus Franciscus Orbaan]; he... |