WIA FC/1900/6/45 | Warburg, Aby to Warburg, Mary 13/10/1900 | sends birthday greetings; he will celebrate Mary's birthday together with Erich von Hornbostel... |
WIA FC/1902/9/20 | Warburg, Aby to Warburg, Mary 13/04/1902 | he visited Mrs. [Jessie] Hillebrand, accompanied by [Jacques] Dwelshauvers; en route they met... |
WIA GC/1903/126 | Warburg, Aby to Goldschmidt, Adolph 09/08/1903 | further to their conversation on Lehrter train station [Berlin], he explains the directions of... |
WIA GC/1904/155 | Goldschmidt, Adolph to Warburg, Aby 03/03/1904 | on correspondence with [Max] Dvorak, [Franz] Wickhoff, [August] Schmarsow, information on [Max J... |
WIA GC/1906/232 | Warburg, Aby to Friedländer, Max J. [28/08/1906] | [Oscar] Wulff told him that Friedländer did not want to contribute an article to the Schmarsow... |