WIA GC/101 | Schottmüller, Frida to Warburg, Aby 09/05/1917 | thanks him for the note on the sculptor [F.A.] Bartholdi; she forwarded Warburg's letter to... |
WIA GC/10444 | Warburg, Aby to Mackowsky, Hans 30/09/1906 | congratulates him on his marriage; alludes to times in Florence spent together, hopes that his... |
WIA GC/10504 | Warburg, Aby to Mackowsky, Hans 18/12/1906 | thanks him for his letter which showed him that Mackowsky understands him; on scholarly... |
WIA GC/10510 | Warburg, Aby to Wulff, Otto 24/12/1906 | returns Hiersemann's reply; is pleased with the result; he has not quite finished his article; he... |
WIA GC/1384 | Mackowsky, Hans to Warburg, Aby 29/12/1904 | thanks him for a Christmas present, a volume of Theodor Fontane letters; hopes to see Warburg... |