WIA GC/10069 | Maass, Ernst to Warburg, Aby 17/07/1893 | he needs [Adolphe?] Braun's permission to forward the 'Primavera' plate to Friedrich Bruckmann... |
WIA GC/10070 | Maass, Ernst to Warburg, Aby 27/07/1893 | F. Bruckmann [Verlagsanstalt F. Bruckmann A.-G.] informed him that he no longer needed the... |
WIA GC/24163 | KBW to Braun, Adolphe 18/11/1929 | acknowledge receipt of photographs; return two photographs as they arrived damaged; request two... |
WIA GC/24164 | Braun, Adolphe to KBW 25/11/1929 | acknowledges receipt of their letter and two prints |
WIA GC/24165 | KBW to Braun, Adolphe 17/12/1929 | order photographs from their catalogue; enclose list of drawings and photo numbers |