Simpson, Benjamin Roy, 1877–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2010356A
- pdbooks.info ID: 32685
Benjamin Roy Simpson Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Correlations of mental abilities | 1912 | Author | |  | |  | |    
| |
| Notes on psychology for teachers | 1925 | Author | | | | | | ||