Originally issued December, 1919."Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 20.Mode of access: Internet
Reprinted from The Popular Science Monthly, May, 1910.Cover-title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"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. 19-20.Mode of access: Inte...
"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
"Issued Nov. 8, 1915, as no. 683. Rev., Oct., 1917.""Contribution from the Bureau of Entomology."Cov...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p.14-16.Mode of access: Inter...
Cover title."Contribution from the Bureau of Entomology."Bibliography: p. 19.Mode of access: Interne...
"First printing 1929; augmented and revised, second printing 1931."Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Extract from the Pomona College Journal of entomology. v. 1-4, 1909-1912 and the Pomona College Jour...
"Entomological Department"--Cover.Cover title.Includes bibliographical references.Mode of access: In...
Reprinted from The Popular Science Monthly, May, 1910.Cover-title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"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. 19-20.Mode of access: Inte...
"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
"Issued Nov. 8, 1915, as no. 683. Rev., Oct., 1917.""Contribution from the Bureau of Entomology."Cov...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p. 10-12.Mode of access: Inte...
"Contribution from the Bureau of Entomology."Cover title.Bibliography: p.14-16.Mode of access: Inter...
Cover title."Contribution from the Bureau of Entomology."Bibliography: p. 19.Mode of access: Interne...
"First printing 1929; augmented and revised, second printing 1931."Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
Extract from the Pomona College Journal of entomology. v. 1-4, 1909-1912 and the Pomona College Jour...
"Entomological Department"--Cover.Cover title.Includes bibliographical references.Mode of access: In...
Reprinted from The Popular Science Monthly, May, 1910.Cover-title.Mode of access: Internet
"Contribution from the Bureau of Entomology."Cover title.Mode of access: Internet
"Contribution from the Bureau of Biological Survey."Cover title.Bibliography: p. 23.Mode of access: ...