Hartwell, E. C. (Ernest Clark), 1883–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 14261
E. C. (Ernest Clark) Hartwell Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Teacher's manual: Story hour readings, fourth year, fifth year, sixth year | 1922 | Author | |  | |  | |    
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| Teacher's manual: Story hour readings; seventh year, eighth year | 1922 | Author | | | | | |
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