Principles of forest entomology /
Graham, Samuel A. 1891-1967.
Principles of forest entomology / [by] Samuel Alexander Graham [and] Fred Barrows Knight. - 4th ed. - New York : McGraw-Hill, c[1965]. - xii, 417 p. : illus. ; 24 cm. - The American forestry series .
Includes bibliographies.
Forest insects.
634.967 / GRP
Principles of forest entomology / [by] Samuel Alexander Graham [and] Fred Barrows Knight. - 4th ed. - New York : McGraw-Hill, c[1965]. - xii, 417 p. : illus. ; 24 cm. - The American forestry series .
Includes bibliographies.
Forest insects.
634.967 / GRP