Insects injurious to forest and shade trees /
Packard, A. S. 1839-1905.
Insects injurious to forest and shade trees / by A.S. Packard. - Washington : Govt. Print. Off., 1881. - 275 p. : ill. ; 23 cm. - United States Entomological Commission. Bulletin 7 .
Insects injurious to forest and shade trees / by A.S. Packard. - Washington : Govt. Print. Off., 1881. - 275 p. : ill. ; 23 cm. - United States Entomological Commission. Bulletin 7 .