WIA GC/1910/271
Heskel, Alexander to Warburg, Aby 09/05/1910
thanks him for a copy of Warburg's article ['Die Wandbilder']; welcomes it that Warburg expressed...
WIA GC/1910/411
Warburg, Aby to Marr, Heinz 22/11/1910
supplies names of people Marr ought to invite as well; [Heinrich?] Embden is prepared to bring...