Mathews, Gertrude Singleton, 1881–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2409747A
- pdbooks.info ID: 121704
Gertrude Singleton Mathews Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Treasure | 1917 | Author | |  | |  | |    
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