Poncins, Léon de.
Nationality: Undetermined, possibly 
(France)
Identities and Authority Control
- pdbooks.info ID: 85212
Léon de. Poncins Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| La dictature des puissances occultes | 1934 | Author | |  |  | | | ||
| La guerre occulte | 1936 | Author | | | | | | ||
| Tempête sur le monde; ou, La faillite du progrès | 1934 | Author | | | | | | ||