Witmer, Helen Leland
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 56032
Helen Leland Witmer Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| The attitudes of mothers toward sex education | 1929 | Author | |  | |  | | ||
| The field of parent education: a survey from the viewpoint of research | 1934 | Author | |  | | | | 
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