Walker, Helen Mary, 1891–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1962985A
- pdbooks.info ID: 58426
Helen Mary Walker Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Algebra: a way of thinking | 1936 | Author | |  | |  | | ||
| Mathematics essential for elementary statistics: a self-teaching manual | 1934 | Author | | | | | | 
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| Mathematics essential for elementary statistics: a self-teaching manual | Rev. ed. | 1951 | Author | |  | | | | |
| The measurement of teaching efficiency | 1935 | Editor | | | | | | ||
| Statistical tables: their structure and use | 1936 | Author | | | | | | ||
| Studies in the history of statistical method: with special reference to certain educational problems | 1929 | Author | | | | | |   
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