WIA FC/1902/9/19 | Warburg, Mary to Warburg, Aby 12/04/1902 | forwards papers by [Karl W.] Hiersemann, a letter by Marc [Rosenberg?] and a card for him which... |
WIA GC/1900/38 | Hiersemann, Karl W. to Warburg, Aby 05/04/1900 | offers Modius's 'Pandectae triumphales', 1586, for sale |
WIA GC/1906/318 | Hiersemann, Karl W. to Warburg, Aby 14/11/1906 | forwards proofs of Warburg's contribution to the Festschrift for August Schmarsow |
WIA GC/1906/319 | Warburg, Aby to Hiersemann, Karl W. 16/11/1906 | returns the corrected text of the Francesco Sassetti essay; forwards three photographs |
WIA GC/1906/320 | Hiersemann, Karl W. to Warburg, Aby 19/11/1906 | forwards second proofs and waits for photographs |