Whipple, Gertrude, 1895–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2235801A
- pdbooks.info ID: 82957
Gertrude Whipple Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Improving instruction in reading: an experimental study | 1933 | Author | |  | |  |  | ||
| Procedures used in selecting school books | 1936 | Author | | | | | | ||