Spence, Hartzell, 1908–2001
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1765294A
- pdbooks.info ID: 168233
Hartzell Spence Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Happily ever after | 1949 | Author | |  | |  | | 
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| Portrait in oil: how the Ohio Oil Company grew to become Marathon | [1st ed.] | 1962 | Author | | | | | |
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