Mahar, Mary Helen, 1913–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL171139A
- pdbooks.info ID: 162330
Mary Helen Mahar Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Certification of school librarians | 1958 | Author | |  | |  |  | 
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| State department of education responsibilities for school libraries | 1960 | Author | | | | | |
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