WIA GC/1896/43 | Loeb, James to Warburg, Aby 09/01/1896 | family news; Felix and Frieda are happy parents of Carola Therese; hopes that Warburg returns to... |
WIA GC/1896/73 | Seligman, Isaac N. to Warburg, Aby 08/01/1896 | congratulates him on becoming an uncle [on the birth of Felix Warburg's daughter Carola]; asks... |
WIA GC/1913/344 | Warburg, Aby to Gabelentz, Hans von der 30/08/1913 | his niece Carola Warburg and Mrs. Piatkowska and her daughter are travelling in Italy; should... |
WIA GC/1913/879 | Piatkowska, Stella and Warburg, Carola to Warburg, Aby 21/11/1913 | greetings from her travels in Italy; thanks Warburg for his advice |