TY  - BOOK
AU  - Graham,Samuel A.
TI  - Forest entomology / 
T2  - The American forestry series
AV  - SB761 .G75 1952
U1  - 595.7 19
PY  - 1952///
CY  - New York
PB  - McGraw-Hill
KW  - Forest insects
N1  - Previous editions published under titles: Principles of forest entomology
ER  -