O'Neill, Helena Elizabeth
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2311946A
- pdbooks.info ID: 80858
Helena Elizabeth O'Neill Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Eidetic ability: a detailed study of twenty-three eidetikers | 1933 | Author | |  | |  | | ||
| Eidetic imagery | 1934 | Author | | | | | | ||