TY  - BOOK
AU  - Francis Martin Duncan
AU  - Lucy T.Duncan
TI  - Plant Friends and Foes
U1  - 580 
CY  - UK
PB  - Humphrey Milford
KW  - English
KW  - Botany
KW  - Insect pests
KW  - Beneficial insects
KW  - General
N1  - "Reprinted 1931."
ER  -