WIA GC/12405 | Warburg, Aby to Frank, Reinhard 15/07/1917 | thanks him for his letter; he is interested in the 'Studiengesellschaft für Weltpolitik', but... |
WIA GC/7992 | Stubmann, Peter to Franck, Reinhard 02/07/1917 | acknowledges receipt of letter of 12 June; he is interested in the publications of the... |
WIA GC/7993 | Warburg, Aby to Stubmann, Peter 09/07/1917 | refers to the letter by Reinhard Franck of 12 June in which Warburg, Stubmann and Franz Ludwig... |
WIA GC/7994 | Stubmann, Peter to Warburg, Aby 14/07/1917 | he shares Warburg's view, he has no time to promote the initiative by Reinhard Franck |
WIA GC/7996 | Warburg, Aby to Stuhlmann, Franz Ludwig 09/07/1917 | on the letter by Reinhard Franck of 12 June in which Warburg, Stuhlmann and Peter Stubmann were... |