Hobbs, Charles A. (Charles Austin), 1857–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 5831
Charles A. (Charles Austin) Hobbs Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Plane geometry | 1920 | Author | |  | |  | | ||
| Solid geometry | 1921 | Author | | | | | |    
| |