Duggar, John Frederick, 1868–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 145251
John Frederick Duggar Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Southern field crops (exclusive of forage plants) | 1911 | Author | |  | |  | |    
| |