WIA GC/1045 | Deneken, Friedrich to Warburg, Aby 13/06/1903 | he encloses issue no. 9 of 'Rheinlande', devoted to the Dutch exhibition which features Jan Veth... |
WIA GC/1046 | Deneken, Friedrich to Warburg, Aby 16/07/1903 | he will see to it that Wilhelm Schäfer returns the photographic plates; he hopes to welcome... |
WIA GC/1181 | Schäfer, Wilhelm Mrs. to Deneken, Friedrich 11/07/1903 | Mrs. Schäfer informs Deneken that Mr. Schäfer was on a business trip; he asks Deneken to inform... |
WIA GC/1182 | Schäfer, Wilhelm to Warburg, Aby 28/07/1903 | he heard from Friedrich Deneken, that Warburg was cross about the publication of the Jan Veth... |
WIA GC/875 | Deneken, Friedrich to Warburg, Aby 07/06/1903 | on an exhibition which features the double portrait of Warburg's parents [painted by Jan Veth in... |