Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Mode of access: Internet
Caption title.Contribution from Bureau of Entomology and Plant Quarantine in cooperation with the Un...
Cover title.Includes bibliographical references and index.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Joint contribution of the Bureau of Plant Industry and the California Agricultural Experiment Statio...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
"Contribution from Bureau of Plant Industry."Caption title.Includes bibliographical references.Mode ...
Caption title.Includes bibliographical references (p. 518-523).Mode of access: Internet
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Caption title.Includ...
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 19.Mode of access: I...
"A contribution from Bureau of Plant Industry."Caption title.Includes bibliographical references (p....
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Caption title."Contribution from Bureau of Plant Industry."Mode of access: Internet
Caption title.Contribution from Bureau of Entomology and Plant Quarantine in cooperation with the Un...
Cover title.Includes bibliographical references and index.Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Cover title."Contribution from the Bureau of Plant Industry."Mode of access: Internet
Caption title."Contribution from Bureau of Plant Industry."Includes bibliographical references.Mode ...
Joint contribution of the Bureau of Plant Industry and the California Agricultural Experiment Statio...
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
"Contribution from Bureau of Plant Industry."Caption title.Includes bibliographical references.Mode ...
Caption title.Includes bibliographical references (p. 518-523).Mode of access: Internet
Contribution from Bureau of Plant Industry, Soils, and Agricultural Engineering.Caption title.Includ...
Caption title."Contribution from the Bureau of Plant Industry."Bibliography: p. 19.Mode of access: I...
"A contribution from Bureau of Plant Industry."Caption title.Includes bibliographical references (p....
"Contribution from the Bureau of Plant Industry."Caption title.Includes bibliographical references.M...
Caption title."Contribution from Bureau of Plant Industry."Mode of access: Internet
Caption title.Contribution from Bureau of Entomology and Plant Quarantine in cooperation with the Un...
Cover title.Includes bibliographical references and index.Mode of access: Internet