WIA GC/1907/241 | Gottschewski, Adolf to Warburg, Aby 20/02/1907 | Heinrich Brockhaus has been in Wiesbaden for three weeks; Walter Bombe and H. Posse stand in for... |
WIA GC/1907/597 | Posse, Hans to Warburg, Aby 14/01/1907 | replies instead of Heinrich Brockhaus to Warburg's letter to Brockhaus on 08/01/1907; the impresa... |
WIA GC/1907/598 | Posse, Hans to Warburg, Aby 06/02/1907 | apologizes for late reply; Heinrich Brockhaus is making preparations for his journey to the spa... |
WIA GC/1907/599 | Posse, Hans to Warburg, Aby 14/02/1907 | reports that Heinrich Brockhaus is improving; forwards his address in Wiesbaden |
WIA GC/1907/600 | Warburg, Aby to Posse, Hans 18/02/1907 | requests information from Posse as Heinrich Brockhaus's assistant on the activities of the... |