WIA FC/1891/14/2 | Warburg, Moritz to Warburg, Aby 02/02/1891 | thanks him for a letter; agrees that Warburg should have been sent a cable with the news of Rosa... |
WIA FC/1891/9/3 | Warburg, Charlotte to Warburg, Aby 03/01/1891 | sends New Year greetings; they toasted his very good health on New Year's eve and on New Year's... |
WIA FC/1892/11/13 | Warburg, Max to Warburg, Aby 10/09/1892 | thanks for his letters, news from uncle [Moritz Oppenheim] and Felix Warburg; he has not time to... |
WIA FC/1892/11/6 | Warburg, Max to Warburg, Aby 25/02/1892 | replies to Warburg's request for information on Leopold Voss; Dr. Adolph Goldschmidt told him... |
WIA FC/1892/11/9 | Warburg, Max to Warburg, Aby 27/06/1892 | informs him that he will depart from Hamburg the next morning and will arrive on the afternoon... |