Heltzendorff, Ernst von, Count.
Nationality: Undetermined, possibly 
(United Kingdom)
Identities and Authority Control
- pdbooks.info ID: 122226
Count. Ernst von Heltzendorff Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 | |  | 
| ||||||
| The secrets of Potsdam | 1917 | Author | |  |  | | | ||