Knowles, Ruth Sheldon, 1915–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1459613A
- pdbooks.info ID: 176182
Ruth Sheldon Knowles Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| The greatest gamblers: the epic of American oil exploration | [1st ed.] | 1959 | Author | |  | |  |  | 
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