WIA GC/13270 | Sieveking, Heinrich to Warburg, Aby 09/11/1921 | forwards his review of Warburg's Luther book; thanks him for the book by Boll which Warburg sent... |
WIA GC/17274 | Blunck, Hans Friedrich to Warburg, Aby 17/06/1926 | birthday greetings; mentions his 'immensely valuable work' for Hamburg; newspaper supplement with... |
WIA GC/17744 | Loeb, James to Warburg, Aby 07/12/1926 | thanks him for his letter and a joke on slate [not extant]; on a protest meeting which was... |
WIA GC/17752 | Warburg, Aby to Mann, Thomas [before 07/12/1926] | thanks him for his initiative 'in the midst of Bavarian limitation'; Warburg, as 'desperado of... |
WIA GC/17753 | Mann, Thomas to Warburg, Aby 07/12/1926 | thanks him for his words and the Boll-Bezold book; it is particularly useful to him as he is... |