Humphreys, Mary Gay, –1915
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2104241A
- pdbooks.info ID: 137460
Mary Gay Humphreys Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| The boy's story of Zebulon M. Pike | 1911 | Editor | |  | | | |    
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| Missionary explorers among the American Indians | 1913 | Editor | | | | | |
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