WIA GC/10801 | Warburg, Aby to Lazarus, Wilhelm 07/01/1908 | replying to their letter and after having talked to Rudolf Lazarus Warburg wishes to continue... |
WIA GC/11043 | Warburg, Aby to Lazarus, Rudolf 26/05/1909 | informs the insurance company that he is the owner of an oil painting 'Bauerntanz' by [Karl L... |
WIA GC/25695 | Warburg, Max to Warburg, Aby [before 13/03/1892] | acknowledges receipt of Warburg's card and promises to purchase the requested items; the Warburg... |
WIA GC/25809 | Warburg, Charlotte to Warburg, Aby 21/10/1893 | Olga was pleased with receiving Warburg's letter; aunt Mali [Amalie Goldschmidt] is busily... |
WIA GC/26234 | Warburg, Olga to Warburg, Aby 22/02/1896 | acknowledges receipt of [second] parcel of [American] Indian objects; on 26/02/1896 there will be... |