Sheckles, Mary.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2298578A
- pdbooks.info ID: 183773
Mary. Sheckles Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Building children's science concepts: experiences with rocks, soil, air and water | 1958 | Author | |  | |  |  | 
| |