WIA GC/11095 | Warburg, Aby to Warburg, Max 27/08/1909 | on the discussion re establishment of a university in Hamburg; Rudolf Eucken's and Hermann Diels... |
WIA GC/16436 | Muckle, Friedrich to Warburg, Aby 01/02/1925 | forwards his book 'Geist der jüdischen Kultur und das Abendland'; was very happy meeting Warburg... |
WIA GC/28187 | Eucken, Rudolf to [?] 14/05/1909 | thanks him for a letter; is grateful for being permitted to summarize his views about increasing... |
WIA GC/32158 | Warburg, Mary to Warburg, Aby 29/09/1909 | thanks him for two letters on one day; she will order the winter windows; she has spoken to... |
WIA GC/32173 | Warburg, Max to Warburg, Aby 18/08/1909 | forwards a letter by [Rudolf] Eucken and by [A.] Dietz and requests return; these two letters had... |