"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 19-20.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p.11-12.Mode of access: Int...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Originally issued December, 1919."Contribution from the Bureau of Entomology."Cover title.Bibliograp...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 16.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p.14-16.Mode of access: Inter...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 4.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Caption title."Contributions from Bureau of Animal Industry."Bibliography: p. 10.Mode of access: Int...
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 11.Mode of access: Interne...
Cover title."Contribution from the Bureau of Entomology."Bibliography: p. 19.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p.11-12.Mode of access: Int...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Originally issued December, 1919."Contribution from the Bureau of Entomology."Cover title.Bibliograp...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 16.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p.14-16.Mode of access: Inter...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 4.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Caption title."Contributions from Bureau of Animal Industry."Bibliography: p. 10.Mode of access: Int...
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 11.Mode of access: Interne...
Cover title."Contribution from the Bureau of Entomology."Bibliography: p. 19.Mode of access: Interne...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p.11-12.Mode of access: Int...
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet