WIA GC/19526 | Warburg, Aby to Warburg, Max 22/02/1927 | reports on Dr. Heile's visit in KBW, on Heile's work in the Weltwirtschaftsarchiv; on Warburg's... |
WIA GC/14759 | Kelter, Edmund to Warburg, Aby 24/10/1924 | thanks him for the lecture invitation; is very happy for Warburg to be back in Hamburg; tells him... |
WIA GC/16197 | Kelter, Edmund to Warbug, Aby 23/10/1925 | appeal to support the move by the teachers of the two Hamburg Grammar schools, the Wilhelm... |
WIA GC/16198 | Kelter, Edmund to Warburg, Aby 27/10/1925 | writes to him as a fellow graduate of the Johanneum and as acting director, standing in for [Emil... |
WIA GC/16199 | Warburg, Aby to Kelter, Edmund 30/10/1925 | promises his support re saving the old grammar school; the reason why the number of pupils... |