WIA GC/1911/169 | Burg, Fritz to Warburg, Aby 17/07/1911 | thanks him for a copy of the Hausbuchmeister article; the weather in Switzerland is wonderful... |
WIA GC/1913/205 | Warburg, Aby to Burg, Fritz [?] 03/04/1913 | requests information on Burg's son [Wilhelm?] treatment in the employment of the East Africa Line... |
WIA GC/1916/104 | Warburg, Aby to Burg, Fritz 12/05/1916 | replies to a request to reveal the pressmark of books on loan from the Stadtbibliothek to him and... |
WIA GC/1916/105 | Warburg, Aby to Burg, Fritz 17/07/1916 | argues that the military historical collection of the city library ought to subscribe to war... |
WIA GC/1917/118 | Warburg, Aby to Burg, Fritz 20/02/1917 | complains about the reading room in the library; the heating system is inadequate and very noisy... |