WIA GC 1930/1673 | KBW to Keutgen, Friedrich 25/11/1930 | |
WIA GC/11284 | Warburg, Aby to Marr, Heinz 22/11/1910 | supplies names of people Marr ought to invite as well; [Heinrich?] Embden is prepared to bring... |
WIA GC/11465 | Warburg, Aby to Warburg, Max 25/09/1911 | detailed response to the 'Denkschrift', memorandum, re setting up university courses... |
WIA GC/12003 | Warburg, Aby to Keutgen, Friedrich 09/01/1914 | thanks him for accepting to give lectures in the summer; informs him confidentially that Conrad... |
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... |