WIA FC/1909/2/68 | Warburg, Mary to Warburg, Aby 28/09/1909 | thanks him for two letters on one day; she will order the winter windows; she has spoken to... |
WIA FC/1909/8/9 | 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... |
WIA FC/1918/11/63 | Deutsche Gesellschaft für staatsbürgerliche Erziehung to Warburg, Max 15/10/1918 | on a new organisation for the rejuvenation of the German people; it can be done by the deepening... |
WIA GC/1909/124 | Eucken, Rudolf to [?] 14/05/1909 | thanks him for a letter; is grateful for being permitted to summarize his views about increasing... |
WIA GC/1909/625 | Warburg, Aby to Warburg, Max 27/08/1909 | on the discussion re establishment of a university in Hamburg; Rudolf Eucken's and Hermann Diels... |