| Ref No | WIA GC/11181 | 
| Title | Warburg, Aby to Boll, Franz 30/12/1909 | 
| Writer | Warburg, Aby | 
| Recipient | Boll, [Franz] | 
| Date | 30/12/1909 | 
| DateNote | Kopierbuch III, 279, 280 | 
| Format | manuscript | 
| Contents | introduces himself as grateful reader of Boll's 'Sphaera'; suggests that an icosahedron, which Boll thinks is an amulet, is a dice; supplies bibliographical references | 
	  		  
                                     Show related Persons records.
                                
Persons
| Code | PersonName | Dates | 
| DS/UK/1277 | Boll; Franz (01/07/1867-03/07/1924); Prof. Dr. phil. | 01/07/1867-03/07/1924 |