WIA GC/12067 | Warburg, Aby to Hauber, Anton 14/06/1914 | he does not see how he can help him fast with new material as Hauber is ready to go to print... |
WIA GC/12078 | Warburg, Aby to Hauber, Anton 24/03/1915 | he will have the Hamburg manuscript sent to him in Tübingen; Warburg, [Wilhelm] Printz and Saxl... |
WIA GC/12191 | Warburg, Aby to Hauber, Anton 21/04/1915 | Warburg wants to keep the manuscript for another two weeks as he wants to photograph it but has... |
WIA GC/12371 | Warburg, Aby to Hauber, Anton 15/12/1916 | he will forward a cheque to his bank in Ulm; requests seven copies [of Hauber's book] to be sent... |
WIA GC/12387 | Warburg, Aby to Becker, Carl Heinrich 08/03/1917 | Hauber wrote to Warburg that Becker was kind to him; Warburg thanks him for that; on [Anton... |