WIA GC/1902/64 | Warburg, Aby to Brockhaus, Heinrich 01/06/1902 | he has been in Hamburg for six weeks but had no time to write earlier; sends apologies; he read... |
WIA GC/1902/67 | Brockhaus, Heinrich to Warburg, Aby 10/06/1902 | forwards a number of slips of papers so that Warburg can see what has been checked; mentions... |
WIA GC/1904/289 | B. Seeber succ. di Loescher & Seeber to Warburg, Aby 02/09/1904 | invoice for book purchases, mainly Petrarch |
WIA GC/1906/445 | Warburg, Aby to MM Warburg & Co. 29/01/1906 | orders the bank to settle an invoice by B. Seeber [B. Seeber succ. di Loescher & Seeber, succ. di... |
WIA GC/1906/448 | Warburg, Aby to MM Warburg & Co. [1906] | instructs the bank to transfer money to B. Seeber [B. Seeber succ. di Loescher & Seeber, succ. di... |