TY  - BOOK
AU  - Brainerd,John W.
TI  - Nature study for conservation: A handbook for environmental education 
PY  - 1971///
CY  - New York
PB  - MacMillan
KW  - Conservation of natural resources
KW  - Study and teaching
N1  - "Sponsored by the American Nature Study Society."; Bibliogr.: p. 327-340
ER  -