"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Includes bibliographical references.Mode of...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Cover title."Contribution from the Bureau of Entomology.""Revision of Farmers' bulletin 848."Mode of...
Bibliography: p. 8."Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 16.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
Contribution from Bureau of Entomology and Plant Quarantine in cooperation with the Virginia Truck E...
Caption title."Contribution from the Bureau of Entomology."Bibliography: p. 8.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 12.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from Bureau of Entomology and Plant Quarantine".Caption title.Bibliography: p. 25.Mode...
"Revision of Farmers' bulletin 512.""Contribution from the Bureau of Entomology."Cover title.Mode of...
"Contribution from the Bureau of Entomology."Cover title.Includes bibliographical references.Mode of...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Cover title."Contribution from the Bureau of Entomology.""Revision of Farmers' bulletin 848."Mode of...
Bibliography: p. 8."Contribution from the Bureau of Plant Industry."Cover title.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 16.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
Contribution from Bureau of Entomology and Plant Quarantine in cooperation with the Virginia Truck E...
Caption title."Contribution from the Bureau of Entomology."Bibliography: p. 8.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 12.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from Bureau of Entomology and Plant Quarantine".Caption title.Bibliography: p. 25.Mode...
"Revision of Farmers' bulletin 512.""Contribution from the Bureau of Entomology."Cover title.Mode of...
"Contribution from the Bureau of Entomology."Cover title.Includes bibliographical references.Mode of...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Cover title."Contribution from the Bureau of Entomology.""Revision of Farmers' bulletin 848."Mode of...