WIA GC 1931/246 | Saxl, Fritz to Borchling, Conrad 23/12/1931 | |
WIA GC 1931/247 | Borchling, Conrad to Saxl, Fritz 31/12/1931 | |
WIA GC/11282 | Warburg, Aby to Hübbe, Andreas 12/11/1910 | thanks him for a copy of the appeal; he will not sign it, but he will show it to his brother... |
WIA GC/11376 | Warburg, Aby to Rosenhagen, Gustav 28/05/1911 | he will support his research; suggests a date for a meeting; requests a reference by Professor... |
WIA GC/11452 | Warburg, Aby to Behrend, Friedrich 05/09/1911 | Professor Conrad Borchling kindly gave Warburg [Friedrich] Behrend's note re manuscript in the... |