WIA GC/10141 | Warburg, Aby and Warburg, Mary to Warburg, Charlotte 24/02/1898 | Warburg thanks her for a letter from Charlotte and Olga Warburg; he has found a good American... |
WIA GC/1255 | Bode, Wilhelm to Warburg, Aby 14/08/1904 | offers his condolences on the death of Warburg's sister Olga [Kohn-Speyer]; Bode has been ill for... |
WIA GC/23359 | Loeb, James to Warburg, Aby 18/07/1897 | sends his congratulations on the engagement; may the proverb 'per aspera ad astra' come true... |
WIA GC/25127 | Warburg, Aby and Warburg, Olga to Warburg, Charlotte 19/03/1880 | Warburg is pleased to tell his parents that he was given very good marks at school; Dr. Volter... |
WIA GC/25138 | Warburg, Charlotte to Warburg, Aby [28/12/1881] | thanks him for his letter and the report of the wedding; exhorts him to work on his essay so that... |