WIA GC/1905/500 | Schmidt, Robert to Warburg, Aby 25/07/1905 | since Dr. [Hermann] Urtel insisted that Schmidt write the preface to the Hugschappel [Hug... |
WIA GC/1905/501 | Schmidt, Robert to Warburg, Aby [18/08/1905] | arranges an appointment with Warburg |
WIA GC/1908/522 | Waetzoldt, Wilhelm to Warburg, Aby 28/04/1908 | he has not heard anything from Florence; he wishes to become a member of the 'Kunsthistorische... |
WIA GC/1910/538 | Schmidt, Robert to Warburg, Aby 07/01/1910 | he is working on a handbook of glass; he requests photographs and information from Warburg re... |
WIA GC/1910/539 | Warburg, Aby to Schmidt, Robert 12/01/1910 | replies to his research request re glass vessel; he remembers a glass in the Bargello in Florence... |