WIA GC/1929/1242 | Hildebrand, Frieda to Warburg, Aby 12/04/1929 | of course, she can remember him, the summer days in Florence in 1894, later meetings in Berlin... |
WIA GC/1929/940 | Warburg, Aby to Glum, Friedrich Johann 02/04/1929 | Glum's suggestion to affiliate the Kunsthistorisches Institut in Florence to the Kaiser-Wilhelm... |