WIA GC/10676 | [?] to Holtzendorff, A. von 19/08/1907 | returns report by Weselmann; on the HAPAG steamship 'Cobra', in particular the restaurant on the... |
WIA GC/14746 | Warburg, Aby to Holtzendorff, A. von 14/12/1924 | forwards two copies of his 'Luftfahrt' article, published in 1913, one for Holtzendorff, the... |
WIA GC/14747 | Holtzendorff, Arndt von to Warburg, Aby 20/12/1924 | returns with thanks the 'Luftschiff' article published in 'Hamburger Fremdenblatt', no. 52, 02/03... |
WIA GC/17634 | Holtzendorff, Arndt von to Warburg, Aby 09/11/1926 | the 'Verein der Freunde der Hamburgischen Universität' has asked him to raise the profile of the... |
WIA GC/17635 | Holtzendorff, Arndt von to Warburg, Aby 01/12/1926 | thanks him for the invitation to the library lectures; he will not be able to attend as he will... |