Ruh, Harold Oliver, 1884–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL4675004A
- pdbooks.info ID: 49555
Harold Oliver Ruh Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The child's development and health record | 1928 | Author | |  | |  | | ||