WIA GC/10262 | Warburg, Aby to Lichtwark, Alfred 10/09/1905 | forwards a letter regarding the printing plates for Dürer's 'Death of Orpheus'; are not available... |
WIA GC/10276 | Warburg, Aby to Meisenbach, Riffarth & Co. Berlin 11/10/1905 | orders 100 more prints of the three plates of illustrations |
WIA GC/10656 | Warburg, Aby to Meisenbach, Riffarth & Co. Schöneberg 06/07/1907 | supplies reproductions and orders for half tone engraving and a printing from zinc plates |
WIA GC/10659 | Warburg, Aby to Meisenbach, Riffarth & Co. 12/07/1907 | thanks him for a photographic order; forwards plaster cast of a coin and four photographs and... |
WIA GC/11720 | Warburg, Aby to Helkenberg, W. 20/01/1913 | acknowledges receipt of 21 line etchings; approves of the print quality; after his return to... |