Blackwell, Jefferson Davis, 1885–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2448909A
- pdbooks.info ID: 57826
Jefferson Davis Blackwell Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The organization and supervision of vocational education in Maryland county high schools | 1929 | Author | |  | |  | | ||