"Professional paper."Contribution from the Bureau of Entomology.Caption title.Bibliography: p. 42-43.Mode of access: Internet
"Professional paper."Contribution from the Bureau of Entomology.Cover title.Bibliography: p. 41-42.M...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper."Caption title.Bibliography: p. 11-12.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Superseded by Technical bulletin no. 41.Contribution from the Bureau of Entomology."Professional pap...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 14.Mode of access: Inter...
"Contribution from Bureau of Entomology."Caption title.Bibliography: p. 34-35.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology".Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Includes bibliographical references.Mode ...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper.""March 16, 1920."Caption title.Bibliography: p. 28.Mode of access: Internet
"Professional paper."Contribution from the Bureau of Entomology.Cover title.Bibliography: p. 41-42.M...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper."Caption title.Bibliography: p. 11-12.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Superseded by Technical bulletin no. 41.Contribution from the Bureau of Entomology."Professional pap...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 15-16.Mode of access: In...
"Contribution from the Bureau of Entomology."Caption title.Bibliography: p. 14.Mode of access: Inter...
"Contribution from Bureau of Entomology."Caption title.Bibliography: p. 34-35.Mode of access: Intern...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology".Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Caption title.Includes bibliographical references.Mode ...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper.""March 16, 1920."Caption title.Bibliography: p. 28.Mode of access: Internet
"Professional paper."Contribution from the Bureau of Entomology.Cover title.Bibliography: p. 41-42.M...
"Contribution from the Bureau of Entomology."Caption title.Mode of access: Internet
"Professional paper."Caption title.Bibliography: p. 11-12.Mode of access: Internet