WIA GC/10509 | Warburg, Aby to Becker, Felix 24/12/1906 | forwards two short entries on two painters, one of which is Marco del Buono; he cannot say much... |
WIA GC/11234 | Warburg, Aby to Becker, Felix 29/05/1910 | thanks him for an article; supplies information on the Ferrara article Warburg wants to write; he... |
WIA GC/11252 | Warburg, Aby to Becker, Carl Heinrich 17/06/1910 | explains that 'Metatron' is the name for an angel in Jewish philosophy of religion or 'little God... |
WIA GC/1215 | Becker, Felix to Warburg, Aby 09/03/1904 | thanks Warburg for his readiness to act as contributor to and sponsor of the dictionary... |
WIA GC/1216 | Becker, Felix to Warburg, Aby 11/03/1904 | thanks him for the pledge of 500 Mark; notes that Warburg agrees to write the dictionary entry on... |