WIA GC/1915/828 | Saxl, Fritz to Warburg, Aby 02/08/1915 | suggests for a later time when peace will have returned purchase of a book by Gustav Hellmann on... |
WIA GC/1917/244 | Warburg, Aby to Goldschmidt, Adolph 13/02/1917 | thanks him for his assistance; Warburg wants to give Saxl's book and [Anton] Hauber's book on... |
WIA GC/1918/271 | Günther, S. to Warburg, Aby 08/02/1918 | regrets but cannot help Warburg with his Virdung inquiries; he is on holiday and when he will... |
WIA GC/1918/304 | Warburg, Aby to Hellmann, Gustav 15/03/1918 | he has an illustration of a comet but does not know where it was published; could he help him... |
WIA GC/1918/305 | Hellmann, Gustav to Warburg, Aby 16/03/1918 | he cannot help him with his inquiry about a comet in 1522; refers him to Dr. [F.S.] Archenhold... |