Hardwicke, Robert E. (Robert Etter), 1889–1970
Nationality: 
(United States)
Identities and Authority Control
- Open Library: OL2181479A
- SSN: 459481603
- pdbooks.info ID: 12063
Robert E. (Robert Etter) Hardwicke Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Innocent purchaser of oil and gas lease: a discussion of the estate created by an oil & gas lease | 1921 | Author | |  | |  | | 
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| Petroleum and natural gas bibliography | 1937 | Author | |  | | | |
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