Longfield, Ellsworth M.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL6887589A
- pdbooks.info ID: 8307
Ellsworth M. Longfield Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Sheet metal drafting | 1st ed. | 1921 | Author | |  | |  | |    
|