WIA GC/1905/188 | Gilbert, Hugo to Warburg, Aby 19/11/1905 | thanks him for the plates of his lecture; informs him that when he reported on the philological... |
WIA GC/1908/159 | Gilbert, Hugo to Warburg, Aby 22/03/1908 | friends of his, Mr. Erich Adolf Pabst and his wife, née Knierim, are travelling to Florence; he... |
WIA GC/1910/185 | Gilbert, Hugo to Warburg, Aby 21/06/1910 | thanks Warburg in his own name and the name of his wife for a copy of his article ['Die Wandbilder'] |
WIA GC/1913/358 | Gilbert, Hugo to Warburg, Aby 02/01/1913 | thanks him for forwarding the programme of the summer courses |
WIA GC/1915/248 | Gilbert, Hugo to Warburg, Aby 19/12/1915 | thanks him for greetings and essay by Behrendsohn [ Otto Behrendsen?] and book by Alfred Weber |