WIA FC/1896/8/12 | Warburg, Aby to Warburg, Charlotte and Warburg, Moritz 26/02/1896 | thanks for letters from Charlotte Warburg and Olli [Olga Warburg] and Panina [Paul and Nina... |
WIA FC/1896/9/11 | Warburg, Felix to Warburg, Aby 11/03/1896 | acknowledges receipt of cable and letter from San Francisco with the news that Warburg is not... |
WIA FC/1896/9/13 | Warburg, Frieda to Warburg, Aby 17/03/1896 | is pleased with Warburg's decision not to go to Japan as it would have been too hot for Warburg... |
WIA FC/1896/9/18 | Warburg, Aby to Warburg, Felix and Warburg, Frieda 06/04/1896 | reports on his trip to the Grand Canyon; travelling companions were General [William J.] Palmer... |
WIA FC/1902/17/9 | Warburg, Paul to Warburg, Moritz and Warburg, Charlotte 09/11/1902 | they are still staying in the house of Friedaflix [Felix and Frieda Warburg] as their own house... |