WIA GC 1931/797 | Geffcken, Johannes to [Saxl, Fritz] 09/05/1931 | |
WIA GC/10236 | Warburg, Aby to Geffcken, Johannes 21/03/1905 | [Max] Brütt informed him that Warburg's contribution to the congress will be published and paid... |
WIA GC/12308 | Warburg, Aby to Ziebarth, Erich 05/03/1916 | on his plans re library of the late Hans Wegehaupt; there are some 1220 books; the... |
WIA GC/14482 | Ziebarth, Erich to Warburg, Aby 26/11/1905 | on his and Johannes Geffcken's plan to found an organisation of scholars in Hamburg |
WIA GC/14690 | Geffcken, Johannes to Warburg, Aby 29/11/1924 | thanks him very much for a copy of 'Vorträge'; his post as 'Rektor' [Vice Chancellor] of the... |