Duncan, Hannibal Gerald, 1885–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1809519A
- pdbooks.info ID: 57186
Hannibal Gerald Duncan Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Immigration and assimilation | 1933 | Author | |  | |  | |    
| |
| ... Race and population problems | 1929 | Author | | | | | | ||