TY  - BOOK
AU  - Comstock,Anna Botsford
TI  - Handbook of nature-study for teachers and parents: based on the Cornell nature-study leaflets, with much additional material and many new illustrations 
U1  - 574.07 
PY  - 1939///
CY  - Ithaca, N.Y.
PB  - Comstock Pub.
KW  - Nature study
ER  -