Reports on grade school biology work
By: as conducted by Vesta Holt at the Dalles, Jessie Laird Brodie at Newberg, Geraldine Ruch at Ashland, Oregon.
Contributors: Holt, Vesta.; Brodie, Jessie Laird.; Ruch, Geraldine.; Oregon Social Hygiene Society.
Publisher: Oregon Social Hygiene Society
Published: 1921
Place of publication: Portland
Language: eng
Number of pages: 80
Subjects: Biology -- Study and teaching.