Boyd, Mary Brown Sumner
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 128741
Mary Brown Sumner Boyd Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Painless childbirth: a general survey of all painless methods, with special stress on "twilight sleep" and its extension to America | 1915 | Author | |  | |  | |    
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