WIA GC/10339 | Warburg, Aby to Milchsack, Gustav 27/02/1906 | thanks him for information re copying; it will be fine if he receives the copies in two to three... |
WIA GC/10486 | Warburg, Aby to Milchsack, Gustav [between 08/12/1906 and 11/12/1906] | could a manuscript be sent to Hamburg for him to read there?; orders a copy to be made of another... |
WIA GC/10490 | Warburg, Aby to Milchsack, Gustav 12/12/1906 | thanks him for the information; asks him to send the manuscript either to the Stadtbibliothek in... |
WIA GC/1150 | Milchsack, Gustav to Warburg, Aby 08/12/1903 | he informs him that Warburg should send an application to the Wolfenbüttel library to send... |
WIA GC/11632 | Warburg, Aby to Herzögliche Bibliothek Wolfenbüttel 01/09/1912 | orders photographs of a manuscript from the collection of occult manuscripts of Emperor Rudolf II... |