Blum, Harold F. (Harold Francis), 1899–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2187362A
- pdbooks.info ID: 168650
Harold F. (Harold Francis) Blum Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Photodynamic action and diseases caused by light | 1941 | Author | |  | |  | | 
| |
| Time's arrow and evolution | 1951 | Author | |  | | | | ||