WIA GC/18377 | Warburg, Paul to Warburg, Aby 18/10/1926 | thanks him for the letter of 06/10/1926; he has not seen Paul Sachs as yet; thanks him for a... |
WIA GC/23366 | Seligman, Isaac N. to Warburg, Aby 13/07/1897 | Felix showed him the cable with the announcement of the engagement; Guta and Isaac send their... |
WIA GC/25913 | Warburg, Charlotte to Warburg, Aby and siblings [02/09/1894 | Felix is very happy; he arrived looking totally exhausted but is feeling better by now; the... |
WIA GC/25938 | Warburg, Charlotte to Warburg, Aby 12/12/1894 | sends him a photograph of Olga, taken by Fritz; forwards the receipt for membership in the new... |
WIA GC/26036 | Warburg, Charlotte to Warburg, Aby 26/09/1895 | acknowledges receipt of Paul's and Warburg's letter written during their voyage to New York; the... |