WIA FC/1913/7/14 | Warburg, Aby to Warburg, Mary 18/09/1913 | requests the address of [Gustav?] Leithäuser; he joined them on their boat trip in thoughts; asks... |
WIA FC/1923/7/535 | Warburg, Aby to Warburg, Mary 18/12/1923 | thanks for letter and enclosed card by [Hermann] Joachim [extant, 14/12/1923]; finds the painting... |
WIA GC/1915/341 | Heinsheimer, Emma to Warburg, Aby 14/01/1915 | her husband [Friedrich Heinsheimer] had to join the army medical corps; the convalescent home is... |
WIA GC/1917/317 | Warburg, Aby to Heinsheimer, Emma 05/40/1917 | it is still uncertain whether he will be able to have a holiday in spring |