WIA FC/1900/6/30 | Warburg, Mary to Warburg, Aby 28/07/1900 | thanks him for letter and Marietta plaque; informs him that Max Warburg will come to Heligoland... |
WIA FC/1900/6/33 | Warburg, Aby to Warburg, Mary 29/07/1900 | thanks her for letter and cable, that Max will arrive the next day, but that Friedaflix [Felix... |
WIA FC/1902/9/19 | Warburg, Mary to Warburg, Aby 12/04/1902 | forwards papers by [Karl W.] Hiersemann, a letter by Marc [Rosenberg?] and a card for him which... |
WIA FC/1902/9/203 | Warburg, Mary to Warburg, Aby 12/12/1902 | who is packing everything up once Warburg has left the apartment?; will it be Adelia?; or does he... |
WIA FC/1906/5/25 | Warburg, Mary to Warburg, Aby 09/05/1906 | sends jackets, books; she asked Niemeyer [G.W. Niemeyer Nachfolger?] to send Warburg a copy of... |