WIA FC/1912/11/34 | Warburg, Max to Warburg, Aby 03/11/1912 | asks Warburg's opinion whether he really has to support the publication project [of the Ulrich... |
WIA FC/1912/6/6 | Warburg, Aby to Warburg, Felix 14/11/1912 | on [Ulrich] Thieme's Künstlerlexikon; he needs to raise funds privately to attract public funding... |
WIA GC/1896/24 | Friedländer, Max J. to Warburg, Aby 12/06/1896 | thanks for letter of safe return to Europe; is sorry that Warburg's old affliction, hayfever... |
WIA GC/1900/91 | Warburg, Aby to Thieme, Ulrich 29/04/1900 | a letter with the enclosure mentioned by Artur Weese, an article about Ernst Steinmann's review... |
WIA GC/1904/10 | Becker, Felix to Warburg, Aby 29/02/1904 | the authors of the projected 'Künsterlexikon', Ulrich Thieme and Felix Becker, have to cover a... |