WIA GC/1903/140 | Harck, Ludwig Friedrich von to Warburg, Aby 29/09/1903 | he cannot supply any information on a woven arazzo |
WIA GC/1909/63 | Braun, Edmund Wilhelm to Warburg, Aby 02/10/1909 | he has spoken with Dr. [Albert?] Figdor in Vienna; Figdor owns 17 old Italian playing cards from... |
WIA GC/1911/347 | Warburg, Aby to Harck, Ludwig Friedrich von 12/11/1911 | on the [Cosmé] Tura arazzo; Warburg remembers that he told him he was the owner; Warburg now can... |
WIA GC/1911/348 | Harck, Ludwig Friedrich von to Warburg, Aby 16/11/1911 | he cannot supply the information on the tapestry as requested; he has been elected to the... |
WIA GC/1911/446 | Koetschau, Karl to Warburg, Aby 07/01/1911 | on a vacancy combining library work with art history; mentions Pelka; on the post in the... |